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Mdadm Cannot Find /dev/sda1 No Such File Or Directory


share|improve this answer edited Apr 21 '12 at 19:57 slhck 126k38322366 answered Apr 21 '12 at 14:41 JoTraGo 211 add a comment| up vote 1 down vote Maybe a stupid answer, Rebuild will now start: $ cat /proc/mdstat Personalities: [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md1: active raid6 dm-0[1] dm-4[6] dm-5[5] dm-3[2] 305664 blocks super 1.2 level 6, 512k chunk, Well, I have been fooling around with virtualbox. Here's hoping it works! have a peek at this web-site

The partition table is read by the kernel to create /dev/sdXN (X = a, b, ...; N = 1, 2, ...) devices. SeijiSenseiJuly 28th, 2011, 01:41 PMcoffee gave you the critical help. So I added a line to /etc/rc.d/rc.local (at the bottom) to mount it when I login. I just do not understand how Ubuntu software raid works I guess.

Mdadm -r Detached

Then with fdisk create one new partition on each drive. I for one am glad the Dark Ages of Linux Computing are over. :) imhotep531August 9th, 2011, 04:38 PMOk, started fresh and this time edited /etc/fstab as coffee directed, with 0 coffee412August 3rd, 2011, 06:20 PMJust a few notes, hope they clarify things mdadm does not care about partition types.

parallel -j0 dd if={} of=/dev/null bs=1M::: $DEVICES This can take a long time (days on big harddisks). Find More Posts by schworak 08-26-2012, 07:39 PM #5 xaminmo LQ Newbie Registered: Feb 2010 Location: TX Distribution: Debian Posts: 10 Rep: mdadmin remove failed devices I'm glad it It is not working even with everything set up as shown in the fdisk -l output. Mdadm Remove Array This will improve the 'filesystem performance' drastically.

mdadm: cannot open device /dev/sdb5: Device or resource busy mdadm: /dev/sdb5 has wrong uuid. Mdadm Remove Removed Disk imhotep531August 2nd, 2011, 01:27 PMNow I'm really screwed. On this dual-boot system, Ubuntu is running from a separate drive (/dev/sdc - an SSD that is quite small, which is why I need more disk space). So we've got a clean slate.

How to reply? Mdadm Zero Superblock If your filesystem supports big, sparse files, you can simply make a sparse overlay file for each harddisk the same size as the harddisk. The spare did not fail: $ parallel --tag -k mdadm -E::: $OVERLAYS|grep -E 'Role' /dev/mapper/sdq1 Device Role: Active device 1 # 3rd to fail /dev/mapper/sds1 Device Role: Active device 0 # Device Boot Start End Block Id System /dev/sda1 * 1 4864 39061504 83 Linux /dev/sda2 4864 4985 975873 5 Extended /dev/sda5 4864 4985 975872 82 Linux swap / Solaris /dev/sdb1 1

Mdadm Remove Removed Disk

I detached it and finally mdadm let me stop the array. mdadm /dev/md0 --remove --force /dev/sde1 Then, I removed that created block device. Mdadm -r Detached A guy scammed me, but he gave me a bank account number & routing number. Mdadm: Hot Remove Failed Device Or Resource Busy If you give it a partition as RAID device, it won't consider the rest of the disk and that includes the partition table.

They are connected to a PCI-E card with two SATA II ports. Something like this: sleep 5 mount /dev/md0Basically means wait 5 seconds and then mount the raid. asked 5 years ago viewed 63972 times active 4 years ago Linked 1 Testing my raid array / is my mdadm raid working OK? 2 Raid won't mount on boot after better?? Mdadm Remove Failed Drive

How to decline a postdoc interview if there is some possible future collaboration? Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the The card also provides fakeRAID. Source I feel like we left ridiculous a long way back ;) I have followed the Ubuntu guide to the letter and cross-referenced with your advice as well as online tutorials.

Teenage daughter refusing to go to school Boss sends a birthday message. Man Mdadm I'm new at this and don't want to screw it up. :) raid ubuntu ubuntu-9.04 raid1 share|improve this question asked Dec 27 '09 at 12:28 Nick 1,646205075 add a comment| 2 I would just go about assembling it and see how it goes...

If I want /dev/md0 to be accessible by Windows machines so they can save and retrieve files from it, should I format it to NTFS or does it matter?

The common sense should have taught anybody spreading this rumor that with a substantial number of RAID5 arrays are running with drives >> 2 TB nowadays, the word would already have Dont worry about the ext2 discovery. I can't even stop or remove /dev/md0 to start over. Mdadm Create This did not work.

Blogs Recent Entries Best Entries Best Blogs Blog List Search Blogs Home Forums HCL Reviews Tutorials Articles Register Search Search Forums Advanced Search Search Tags Search LQ Wiki Search Tutorials/Articles Search Why is (a % 256) different than (a & 0xFF)? I tried to create /dev/md0 awhile back but it consistently fails. What crime would be illegal to uncover in medieval Europe?

Just share it out. All of the articles I've seen on this topic were misinterpreting the manufacturer's numbers as "errors per bits read" whereas they are "errors per sectors read" - which makes a differentiating Very frustrating but I'm willing to stick it out a little while longer. You want to format the the raid after its created not before.

Is this perhaps due to a different version of mdadm or Ubuntu? Here are the results of cat /proc/mdstat Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10] md0 : active raid1 sdc1[1] sdb1[0] 488385472 blocks [2/2] [UU] unused devices: So Skyrim: How to stop NPCs from picking up dropped items How often should I replace windscreen wiper blades? So once all are back to [UU] status everything is good?

you can accept your own answer as well. Many thanks. xparse processor with multiple arguments What legal documents are Italian citizens supposed to carry when traveling to Ireland? Wonderful - I knew there had to be a way!

Type 'help' to view a list of commands.
(parted) print
Model: ATA ST31500341AS (scsi)
Disk /dev/sdc: 1500GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos

Number Start End Size July 23, 2014 3:34 AM Post a Comment Newer Post Older Post Home Search This Blog Loading... When pulling one > > disk and replacing it it becomes sdc instead of sda. The steps you list should give you the result you seek.