Check/repair on composite RAID

2006-09-08 Thread Richard Scobie
If I have a RAID 10, comprising a RAID 0, /dev/md3 made up of RAID1, /dev/md1 and RAID1, /dev/md2 and I do an: echo repair > /sys/block/md3/md/sync_action will this run simultaneous repairs on the the underlying RAID 1's, or should seperate repairs be done to md1 and 2? Thanks for any assist

Re: UUID's

2006-09-08 Thread Richard Scobie
dean gaudet wrote: On Sat, 9 Sep 2006, Richard Scobie wrote: If I have specified an array in mdadm.conf using UUID's: ARRAY /dev/md0 UUID=3aaa0122:29827cfa:5331ad66:ca767371 and I replace a failed drive in the array, will the new drive be given the previous UUID, or do I need to upate the m

Re: UUID's

2006-09-08 Thread dean gaudet
On Sat, 9 Sep 2006, Richard Scobie wrote: > If I have specified an array in mdadm.conf using UUID's: > > ARRAY /dev/md0 UUID=3aaa0122:29827cfa:5331ad66:ca767371 > > and I replace a failed drive in the array, will the new drive be given the > previous UUID, or do I need to upate the mdadm.conf

UUID's

2006-09-08 Thread Richard Scobie
If I have specified an array in mdadm.conf using UUID's: ARRAY /dev/md0 UUID=3aaa0122:29827cfa:5331ad66:ca767371 and I replace a failed drive in the array, will the new drive be given the previous UUID, or do I need to upate the mdadm.conf entry? Regards, Richard - To unsubscribe from this l

Re: Messed up creating new array...

2006-09-08 Thread David Rees
On 9/8/06, Ruth Ivimey-Cook <[EMAIL PROTECTED]> wrote: I messed up slightly when creating a new 6-disk raid6 array, and am wondering if there is a simple answer. The problem is that I didn't partition the drives, but simply used the whole drive. All drives are of the same type and using the Super

Re: proactive-raid-disk-replacement

2006-09-08 Thread dean gaudet
On Fri, 8 Sep 2006, Michael Tokarev wrote: > dean gaudet wrote: > > On Fri, 8 Sep 2006, Michael Tokarev wrote: > > > >> Recently Dean Gaudet, in thread titled 'Feature > >> Request/Suggestion - "Drive Linking"', mentioned his > >> document, http://arctic.org/~dean/proactive-raid5-disk-replacement

Re: RAID5 fill up?

2006-09-08 Thread Mr. James W. Laferriere
Hello Neil & Luca , On Fri, 8 Sep 2006, Luca Berra wrote: On Fri, Sep 08, 2006 at 02:26:31PM +0200, Lars Schimmer wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Tokarev wrote: Lars Schimmer wrote: Hi! I´ve got a software RAiD5 with 6 250GB HDs. Now I changed one disk a

Please help me save my data

2006-09-08 Thread martin . kihlgren
Hello list. I have a spot of trouble with a RAID5 array of mine, and I thought maybe you could help me. This is the story so far: * I bought 10 external USB drives. This seemed like a good idea, they are cheap, they are hot-pluggable and they are fast enough. * I set them up in two RAID5

Please help me save my data

2006-09-08 Thread martin . kihlgren
Hello list. I have a spot of trouble with a RAID5 array of mine, and I thought maybe you could help me. This is the story so far: * I bought 10 external USB drives. This seemed like a good idea, they are cheap, they are hot-pluggable and they are fast enough. * I set them up in two RAID5 a

2.6.18-rc5-mm1 - bd_claim_by_disk oops

2006-09-08 Thread John Stoffel
I got the following on 2.6.18-rc5-mm1 when trying to lvextend a test logical volume that I had just created. This came about because I have been trying to expand some LVs on my system, which are based on a VG ontop of an MD mirror pair. It's an SMP box too if that means anything. device-mappe

Messed up creating new array...

2006-09-08 Thread Ruth Ivimey-Cook
Folks, I messed up slightly when creating a new 6-disk raid6 array, and am wondering if there is a simple answer. The problem is that I didn't partition the drives, but simply used the whole drive. All drives are of the same type and using the Supermicro SAT2-MV8 controller. This is a problem bec

Re: RAID5 fill up?

2006-09-08 Thread Lars Schimmer
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Tokarev wrote: > Lars Schimmer wrote: > [] mdadm --grow is your friend. >> Oh, damn, right. I was focussed on --grow to add a new HD to the RAID >> But isn´t there a switch to grow to max possible value? >> Do I always have to search f

Re: RAID5 fill up?

2006-09-08 Thread Luca Berra
On Fri, Sep 08, 2006 at 02:26:31PM +0200, Lars Schimmer wrote: -BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Tokarev wrote: Lars Schimmer wrote: Hi! I´ve got a software RAiD5 with 6 250GB HDs. Now I changed one disk after another to a 400GB HD and resynced the raid5 after each change.

Re: RAID5 fill up?

2006-09-08 Thread Lars Schimmer
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Michael Tokarev wrote: > Lars Schimmer wrote: >> Hi! >> >> I´ve got a software RAiD5 with 6 250GB HDs. >> Now I changed one disk after another to a 400GB HD and resynced the >> raid5 after each change. >> Now the RAID5 has got 6 400GB HDs and still use

Re: proactive-raid-disk-replacement

2006-09-08 Thread Michael Tokarev
dean gaudet wrote: > On Fri, 8 Sep 2006, Michael Tokarev wrote: > >> Recently Dean Gaudet, in thread titled 'Feature >> Request/Suggestion - "Drive Linking"', mentioned his >> document, http://arctic.org/~dean/proactive-raid5-disk-replacement.txt >> >> I've read it, and have some umm.. concerns.

Re: RAID5 fill up?

2006-09-08 Thread Michael Tokarev
Lars Schimmer wrote: > Hi! > > I´ve got a software RAiD5 with 6 250GB HDs. > Now I changed one disk after another to a 400GB HD and resynced the > raid5 after each change. > Now the RAID5 has got 6 400GB HDs and still uses only 6*250GB space. > How can I grow the md0 device to use 6*400GB? mdadm

RAID5 fill up?

2006-09-08 Thread Lars Schimmer
Hi! I´ve got a software RAiD5 with 6 250GB HDs. Now I changed one disk after another to a 400GB HD and resynced the raid5 after each change. Now the RAID5 has got 6 400GB HDs and still uses only 6*250GB space. How can I grow the md0 device to use 6*400GB? MfG, Lars Schimmer -- --

RAID5 fill up?

2006-09-08 Thread Lars Schimmer
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Hi! I´ve got a software RAiD5 with 6 250GB HDs. Now I changed one disk after another to a 400GB HD and resynced the raid5 after each change. Now the RAID5 has got 6 400GB HDs and still uses only 6*250GB space. How can I grow the md0 device to use 6*40

Re: Interesting RAID checking observations - I'm getting it too

2006-09-08 Thread Mark Smith
Hi Bill, On Mon, 04 Sep 2006 12:42:53 -0400 Bill Davidsen <[EMAIL PROTECTED]> wrote: > > > > Mark Smith wrote: > > > > Interesting, but do you run other stuff at that time? Several > distributions run various things in the middle of the night which really > bog the machine. > Doesn't look

Re: proactive-raid-disk-replacement

2006-09-08 Thread dean gaudet
On Fri, 8 Sep 2006, Michael Tokarev wrote: > Recently Dean Gaudet, in thread titled 'Feature > Request/Suggestion - "Drive Linking"', mentioned his > document, http://arctic.org/~dean/proactive-raid5-disk-replacement.txt > > I've read it, and have some umm.. concerns. Here's why: > > > > m

proactive-raid-disk-replacement

2006-09-08 Thread Michael Tokarev
Recently Dean Gaudet, in thread titled 'Feature Request/Suggestion - "Drive Linking"', mentioned his document, http://arctic.org/~dean/proactive-raid5-disk-replacement.txt I've read it, and have some umm.. concerns. Here's why: > mdadm -Gb internal --bitmap-chunk=1024 /dev/md4 > mdadm /dev/