. I suspect, but cannot verify based on what you said in post#5 whether your /dev/sda disk was mounted Do yourself a favor and only use Windows utilities to manage Windows partitions. Linux utilities can cause issues like above. Use Windows Disk Management or any other such tool for Windows to 'resize or move' NTFS partitions Stack Exchange network consists of 177 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.. Visit Stack Exchang This all started when i install kubuntu 10.10 on my Western Digital Hard drive. It installed perfectly but one day i was not able to boot to kubuntu. so i..
Make sure that /dev/sda is actually your ssd disk and not your pen drive. I had a problem once installing mint where my disk was /dev/sdb and mint installer tried to install grub in /dev/sda even after I select /dev/sdb as my install destination. 7. level 2. LyonSyonII at all, I can send you additional details of my problem. please read below commands, I used some of the methods to resolve my problem but until now I don't have any chance to find a way to do that. ~#nano /etc/fstab. UUID=###951671### /DATA ufs defaults 1 2. mkdir /DATA Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use ERROR: asr reading /dev/sda [Input/Output error] It gives similar erros for: sil. isw. jmicron. lsi. nvidia. I have a feeling there is something wrong with the system's drive. In addition this the when i rebooted the system, it indicated that filesystem was not checked for like 4000 days or something like that and forced check
The time we save is the biggest benefit of E-E to our team. What could take multiple guys 2 hours or more each to find is accessed in around 15 minutes on Experts Exchange (I can't find anything wrong with the hard disk). I checked the BIOS and it is AHCI (was a suggested solution to someone elses query). I am installing from CD (have checked the image and it is ok) Same situation, probably even the same hardware. (HP Pavilion 431.uk) What I did: -went into BIOS, checked hd access method Other instead of DO Run time -p dd if=/dev/sda of=/dev/null bs=4M to conduct an entire-disk read test (please type this carefully). If your system disk is not /dev/sda, substitute accordingly. Watch the screen (it will take a long while)... Results. In the best case where dd completed successfully and uneventfully, then it is likely a filesystem problem Rep: Your complaint is about a Toshiba USB device, which produces the first section of dmesg. But, the Smart data provided is for a Seagate, presumably /dev/sda, where the dmesg errors are coming from. Try pasting here input and output from the following: Code: sudo parted -l inxi -DSa sudo smartctl --all /dev/sdb
Mike, welcome to these user forums. Unfortunately if your hard disk has failed then this may be a fatal issue with no recovery possible. I would recommend checking the manufacturer / make of your disk drive, assuming this is a spinning HDD and not a SSD drive, then check on their website for any utilities that they offer which can check and try to recover any bad sectors if possible During mount attempts, I'm getting Input/Output Errors. I have no idea what I'm doing wrong here. I've got the following packages installed directly from EPEL http://pcper.co Can Reproduce it every time by using the attached guest XML and partitioned rootfs for the USB device. Comment 3 Qian Cai 2010-05-17 10:59:05 UTC Created attachment 414519 [details] guest XM slkslk, É uma excelente idéia, depois que a instalação estiver concluída, eu atualizo via internet (minha conexão é boa) para o 10.04... Acho que primeiramente irei fazer isso que vc sugeriu, caso não dê certo, eu vou fazer algo mais drástico: Pegar o do windows 7, reinstalar, escolhendo a opção de formatar o computador e tentar instalar o linux mais uma vez
Hi, first thanks to GParted, which is handy to use. I am trying to use GParted to make my USB Flash Disk size increase from 105 MB to 32 GB which is the size it should be This is just a guess, but I'd suspect the drive's partition table has been wiped from it as well. If so, this may be what's causing the input/output errors. From the Linux Mint live session that you boot to, open GParted and see if you can create a new partition table. Jo Search. Or troubleshoot an issue. Log in to Your Red Hat Account. Log In. Your Red Hat account gives you access to your profile, preferences, and services, depending on your status. Register. If you are a new customer, register now for access to product evaluations and purchasing capabilities According to the /var/log/messages (the end of the file), it seems to be a hardware issue. Jul 19 02:32:12 localhost kernel: [ 128.506620] ata1.00: exception Emask.
The Super Mario Effect - Tricking Your Brain into Learning More | Mark Rober | TEDxPenn - Duration: 15:09. TEDx Talks Recommended for yo This is what I got: Code: ubuntu@ubuntu:~$ sudo fdisk -lu ubuntu@ubuntu:~$ sudo parted -l Error: /dev/sda: unrecognised disk label Warning: Unable to open /dev/sr0 read-write (Read-only file system). /dev/sr0 has been opened read-only. Error: Can't have a partition outside the disk! Hope it is useful. Adv Reply I have installed RHEL AS 4 update 5 on a HP DL740 server. Then I presented 1024MB from the SAN (EVA3000) to the host. When I type lvmdiskscan I see quite a few read failed input/output errors being reported. I have attached a file to show you the output of fdisk -l, lssd and lvmdiskscan commands.. Solution ID: sk108584: Technical Level : Product: Quantum Security Gateways, Quantum Appliances, Quantum Spark Appliances, Quantum Scalable Chassis: Versio I might simply cat the files to /dev/null or I might use dd > on the raw /dev/sda device to try to test if I can read all of the > blocks on the disk. Along the way I will monitor the kernel logs and > look to see if it is throwing errors
cgrenier Site Admin Posts: 5356 Joined: Sat Feb 18, 2012 2:08 pm Location: Le Perreux Sur Marne, Franc echo 1 > /proc/sys/kernel/sysrq echo b > /proc/sysrq-trigger Forced Shutdown echo 1 > /proc/sys/kernel/sysrq echo o > /proc/sysrq-trigger. Thanks for reading the article and let me know your comments Most recently, the firmware to the SAN switch was updated. A review of the server logs doesn't seem to indicate any I/O errors *BEFORE* the firmware. update. The following log message occurred. *AFTER* the switch firmware upgrade: SCSI error: return code = 0x00010000. end_request: I/O error, dev sdg, sector 524287992 check your bios an c which HDD is on sdX or sdb etc an switch the boot priorities an that should fix your boot grub issue reason it does that is because the bios does not see anything linux related it see's only the dependent hardware that's it so check to see what ch ( channel ) your BIOS has your HDD set to if it's set for example sdX < grub loaded onto this harddrive.an your bios reads
Thank you for visiting my profile. I am Pranay Jha, bring along a total of 11+ years of extensive experience with me in Information Technology sector for organizations from small business to large enterprises, wherein my current assignment I am associated with IBM as a Technical Solution Architect for Virtualization platform How to fix fdisk: unable to read /dev/sdg1: Input/output error Ubuntu? By Kelby232 · 10 years ago I am trying to format a 1.5TB external hard drive in Ubuntu and I am getting the following. 사용 버전 vSphere 6.7 U3 (Dell-Customized) Error Message Operation failed. partedUtil failed with message: bError: Input/output error during read on /dev/disks. . or # mount /dev/sdb1 /mnt mount: special device /dev/sdb1 does not exist Note: Your device may be different, I provided two separate examples from an sda partition and sdb partition, but check your server and become familiar with its' drives before messing with your file system at all. Mount.
Or troubleshoot an issue. Log in to Your Red Hat Account. Log In. Your Red Hat account gives you access to your profile, preferences, and services, depending on your status. Register. If you are a new customer, register now for access to product evaluations and purchasing capabilities I recently bought and attempted to use an Insignia dual hard drive docking station to access a couple of different HDDs. The laptop makes the sound indicating that devices have been connected. The docking station lights come on indicating that it it reading the drives. Also the drives are spinning. However, the system doesnt indicate in any other way that they are there ESXi 6.5 - Cannot Create Datastore on a HDD. Jump to solution. So, I'm pulling my hair out over this... when I try to create a datastore on a HDD in the vSphere Client, I get the following error: So, I went ahead and tried the web GUI, and got the same error, roughly. After doing some research on the web, I found that it might have something to. libparted bug found, rror input/output error during read on /dev/sdb Helpful? Please support me on Patreon: With thanks sourc There might be many reasons for your Linux file system to go into unusable or corrupted state. Such as: Sudden power failure, faulty device drivers, faulty software package, unstable updates etc. and this might leave your Linux system in unusable state. e2fsck is a tool that comes handy in such situations and helps you recover your file system and restore your Linux system to usable state
I have installed RHEL AS 4 update 5 on a HP DL740 server. Then I presented 1024MB from the SAN (EVA3000) to the host. When I type lvmdiskscan I see quite a few read failed input/output errors being reported. I have attached a file to show you the output of fdisk -l, lssd and lvmdiskscan commands. How do I fix the above errors I've no issue accessing 20 GB files. What causes this issue for me is when there are many files in the folder (or parent folders) I'm accessing 部署磁盘阵列时 输入命令： mdadm -Cv /dev/md0 -a yes -n 4 -l 10 /dev/sdb /dev/sdc /dev/sdd /dev/sde 后出现mdadm: cannot open /dev/sdb: No such file or directory 这是什么原因呢？因为在虚拟机中添加完硬盘后，需要重启才能识别这些硬盘设备。 所有解决方法很简单，重启下服务器..
$ gdisk -l /dev/sda GPT fdisk (gdisk) version 0.8.1. Partition table scan: MBR: protective BSD: not present APM: not present GPT: present. Found valid GPT with protective MBR; using GPT. Disk /dev/sda: 7814037168 sectors, 3.6 TiB Logical sector size: 512 bytes Disk identifier (GUID): 58CF1ED7-6886-401C-B98A-08F60893C58A Partition table holds up. - Found an issue while looking for the disk: /dev/mmcblk0boot1: unrecognised disk label Performing a full disk format Error: Operation not permitted during write on /dev/mmcblk0boot1 mkpart primary 2MB 302MB Error: /dev/mmcblk0boot1: unrecognised disk label mkfs.vfat /dev/mmcblk0boot11 -F 32 mkfs.fat 4.1 (2017-01-24) mkfs.vfat: unable to open.
/dev/sdk2 335548416 402657279 67108864 32G Linux filesystem root@SpringpathController6ICAV7R4VL:~# root@SpringpathController6ICAV7R4VL:~# fdisk -l | grep Disk Disk /dev/sda: 2.5 GiB, 2684354560 bytes, 5242880 sectors Disklabel type: dos Disk identifier: 0x3633852c Disk /dev/sdd: 7.3 TiB, 8001563222016 bytes, 1953506646 sector his article is a continuation of the Series on Linux Device Driver and carries the discussion on Linux device drivers and their implementation. The aim of this series is to provide easy and practical examples that anyone can understand. This is the I2C Bus Linux Device Driver using I2C-GPIO using Raspberry PI - Linux Device Driver Tutorial Part 40 # partprobe /dev/sdXpartprobepartprobe Replace /dev/sdX or /dev/hdX with actual device name. Now you will able to create filesystem on new partition with the mke2fs command. Inform the OS of partition table changes. The partprobe command is part of GNU parted software. parted is a disk partitioning and partition resizing program Sometimes installation of VmWare ESXi failed (between 5% and 8%) with the following error: partedUtil failed with message: Error: The primary GPT table states that the backup GPT is located beyond the end of disk. This may happen if the disk has shrun
Some LUNs were removed from the server and now LVM commands give error messages. root@linux:~# pvs /dev/mapper/350002ac4f691374a: read failed after 0 of 4096 at 0. sudo fsck -M /dev/sdb. While sdb is mounted, the tool exits without running a check. Then, we unmount sdb and run the same command again. This time, fsck checks the disk and reports it as clean, or with errors. Note: To remove the first title line of the fsck tool fsck from util-linux 2.31.1 use the -T option The Linux File System. The file systems in Linux, macOS, and other Unix-like operating systems don't use separate volume identifiers for storage devices in the way that, say, Windows does. Windows assigns each volume a drive letter such as C: or D: and the file system for each volume is a tree of directories sitting below that drive letter
Realizing this is a 1.5 year-old post. I also had a problem with failed to get canonical path of /cow errors. But, after hunting around, finding a partial solution at community(dot)linuxmint(dot)com, and piecing it together with another piece of information successfully led to using Mint LiveCD to reinstall grub2 Now check and repair a Linux file system using alternate superblock # 32768: # fsck -b 32768 /dev/sda2. Sample output: fsck 1.40.2 (12-Jul-2007) e2fsck 1.40.2 (12-Jul-2007) /dev/sda2 was not cleanly unmounted, check forced. Pass 1: Checking inodes, blocks, and sizes Pass 2: Checking directory structure Pass 3: Checking directory connectivity.
I getting the follow erro message when I session into the CUE of the UC520. All advice appreciated. I read the similar post, however I'm not given any prompts to make a selection To write random data to a disk, use dd if=/dev/urandom of=/dev/sda bs=16M. When compared to the data modification example above, notrunc conversion option is not required as it has no effect when the dd 's output file is a block device. The bs=16M option makes dd read and write 16 mebibytes at a time. For modern systems, an even greater block. In this dd command example, the UNIX device name of the source hard disk is /dev/hda, and device name of the target hard disk is /dev/hdb. # dd if=/dev/sda of=/dev/sdb if represents inputfile, and of represents output file. So the exact copy of /dev/sda will be available in /dev/sdb. If there are any errors, the above command will fail In the example above we instructed dd to read from the /dev/sda device, and we also changed the block size to 1M, which can give us better performance in such situation. We then piped the data, further processing it with the gzip program that we invoked with the -c (short for--to-stdout) and -9 option which instructs the program to use the. A0, A1, A2 Device Address Inputs SDA Serial Data Input/Output SCL Serial Clock Input WP Write Protect Input VCC Power Supply VSS Ground Pin Name† Function PIN FUNCTION For the location of Pin 1, please consult the corresponding package drawing. UDFN−8 HU4 SUFFIX CASE 517AZ †The exposed pad for the TDFN/UDFN packages can be left floating.
# grub-install --target=i386-pc /dev/sdX. where /dev/sdX is the disk (not a partition) where GRUB is to be installed. For example /dev/sda or /dev/nvme0n1, or /dev/mmcblk0. See Device file#Block device names for a description of the block device naming scheme. Now you must generate the main configuration file diff <(ls /dev/disk/by-id) <(sleep 15; ls /dev/disk/by-id) This will show the differences in directory content between the two executions of ls , which will be spaced 15 seconds apart thanks to the sleep invocation in the second input pipe. 15 seconds should give the kernel enough time to identify the disk and let udev create the appropriate.
Keywords to look for. While disk, input-output and storage subsystem errors vary a lot depending on multiple factors (such as the version of the Linux kernel, the exact type of storage controller and storage attachment -- some of those would look slightly different if e.g. virtual disks are used inside a hypervisor, or if a disk/volume is attached via iSCSI or Fibre Channel), there are several. On CentOS, RHEL: $ sudo yum install hdparm. Run hdparm as follows, to measure the READ speed of a storage drive device /dev/sda: $ sudo hdparm -Tt /dev/sda /dev/sda: Timing cached reads: 16924 MB in 2.00 seconds = 8469.95 MB/sec Timing buffered disk reads: 1386 MB in 3.00 seconds = 461.50 MB/sec. Comments (17 Device tree support¶ int of_gpio_simple_xlate (struct gpio_chip * gc, const struct of_phandle_args * gpiospec, u32 * flags) ¶. translate gpiospec to the GPIO number and flags. Parameters. struct gpio_chip * gc pointer to the gpio_chip structure const struct of_phandle_args * gpiospec GPIO specifier as found in the device tre [Beware: the dd command defaults to sending the output to stdout (often making a mess on the screen)]. # ddpt if=/dev/sda bs=512 count=1k Output file not specified so no copy, just reading input 1024+0 records in 0+0 records out time to read data: 0.013480 secs at 38.89 MB/sec Now to access the same device (assuming /dev/sda and /dev/sg0 refer. This article is a continuation of the Series on Linux Device Driver and carries the discussion on Linux device drivers and their implementation. The aim of this series is to provide easy and practical examples that anyone can understand. This is the Real I2C Bus Linux Device Driver example using Raspberry PI - Linux Device Driver Tutorial Part 39
Blog post Serial RS232 connections in Python. import time import serial # configure the serial connections (the parameters differs on the device you are connecting to) ser = serial.Serial( port='/dev/ttyUSB1', baudrate=9600, parity=serial.PARITY_ODD, stopbits=serial.STOPBITS_TWO, bytesize=serial.SEVENBITS ) ser.isOpen() print 'Enter your commands below.\r\nInsert exit to leave the. I/O Device Error, also known as Input/Output Device Error, often pops out when one is attempting to access, cut, copy, write something on the storage device, including common external hard drive, flash drive or memory card, CD-Rom, DVD, CD and more (today, to simplify the description, we would focus on the widely-used former three types of. Long time ago I created btrfs on /dev/sda. After some changes btrfs moved to /dev/sda1. Use wipefs as well, it deletes only a small portion of sda that will not interfere with the next partition data. What if I don't have wipefs at hand? There are three superblocks: the first one is located at 64K, the second one at 64M, the third one at 256GB tp@linux:~$ dd if=/dev/zero of=/tmp/laptop.bin bs=1G count=1 oflag=direct 1+0 records in 1+0 records out 1073741824 bytes (1.1 GB) copied, 11.4265 s, 94.0 MB/s. The above command copies 1.1GB of data and 94.0 MB/s is served for the test. To deactivate cache, use the following command - $ sudo hdparm -W0 /dev/sda. The output should be like.
At times, when the electricity in one set of wires tends to leak into another set of cables, then it might interfere when you perform input-output operations. To fix this problem disconnect all the additional devices except your external hard drive on your computer and connect the only those cords of necessary tools I2C Bus Specification. A typical embedded system consists of one or more microcontrollers and peripheral devices like memories, converters, I/O expanders, LCD drivers, sensors, matrix switches, etc. The complexity and the cost of connecting all those devices together must be kept to a minimum. The system must be designed in such a way that. connect to the bus via their respective SCL and SDA pins. The transmitting device pulls down the SDA line to 'transmit' a '0' and releases it to 'transmit' a '1'. Data transfer may be initiated only when the bus is not busy (see A.C. Characteristics). During data transfer, the SDA line must remain stable while the SCL line is HIGH iostat is used to get the input/output statistics for storage devices and partitions. iostat is a part of the sysstat package. With iostat, you can monitor the read/write speeds of your storage devices (such as hard disk drives, SSDs) and partitions (disk partitions)
dd if=/dev/sda of=/home/sam/myfile bs=4096 skip=2000 count=1000 Will give you 8,000 sectors in myfile, after the first 16,000 sectors. You can open that file with a hex editor, edit some of it, and write the edited part back to disk: dd if=/home/sam/myfile of=/dev/sda bs=4096 seek=2000 count=1000 So there you got yourself a disk editor ddrescue -f /dev/sda /dev/sdb mapfile ddrescuelog -d mapfile Example 2: Rescue two ext2 partitions in /dev/sda to /dev/sdb and repair the file systems using badblock lists generated with ddrescuelog. File system block size is 4096. Note: you do need to partition /dev/sdb beforehand
fsck.ext4 -f -c -C0 /dev/sda1 - will attempt to find bad blocks on the device and make those blocks unusable by new files and directories. fsck.ext4 -f -cc -C0 /dev/sda1 - a more thorough version of the bad blocks check. fsck.ext4 -n -f -C0 /dev/sda1 - the -n option allows you to run fsck against a mounted filesystem in a read-only mode. This. From Input-Output point of view, the System class offers the following streams: #1) Standard Input Stream (System.in) The input stream provided by System class, System.in is used to read the input data from a standard input device like a keyboard. The stream remains open and is ready to read the data supplied by the user to the standard input.
RC522 is a Multi-communication RFID Module for Arduino and Microcontrollers. The RC522 is known as MFRC-522 due to its NFX semiconductor microcontroller. The module allows the developers to interface it with any other SPI, I2C, and UART based microcontrollers. The RC522 module works on 13.56 MHz frequency and it can act as a reader and write. Nov 23, 2017. #7. If the individual drives not connected through the controller still show read only, it is because they have somehow been set that way. On FreeBSD/FreeNAS, there is probably some odd camcontrol command to undo that, but I don't know what it would be. Maybe a utility in the BIOS of the controller card The SCL & SDA lines are connected to all devices on the I2C bus. There needs to be a third wire which is just the ground or 0 volts. There may also be a 5volt wire is power is being distributed to the devices. Both SCL and SDA lines are open drain drivers. What this means is that the chip can drive its output low, but it cannot drive it high After powering ON the device, the software doesn't boot up automaticully. I have to press the reset button. This means that the PICO device is completely unusable as Alarm Device, due to a failure in automatic restart after power break down! Googling for solutions bring me up to install a 4.7 k resistance between +3.3V and IO0 pin