Re: Convert RAID1 to standard ext2

Timothy Weaver wrote: Hi, I had 2x750GB drives in a RAID1 configuration in a D-Link NAS (DNS-323) device with embedded Linux as an ext2 volume. The configuration was corrupted and the NAS no longer saw the RAID. I put the drives in another Linux box and was able to use mdadm to scan the drives.

Cannot sync RAID5 anymore - MCE problem?

Hello everybody. I have a strange and severe problem with my Raid-Array and I have to contact "experts" before I can continue with a clear conscience. I wanted to exchange 2 disks in my Raid5 array by two newer ones. So I connected the new to my machine partitioned the correct layout added one of

Re: Mustn't be RAID 1 and 0 read-performance be similar?

Rustedt, Florian <[EMAIL PROTECTED]> wrote: > If the speed on RAID 0 is based on reading out in parallel, then it must be > the same on RAID 1, mustn't it? > On RAID 1, it is possible, to read two blocks in parallel to speed up, too. It's not that simple. On RAID0 you can read one single stream of

[kj] is_power_of_2 in drivers/md/dm-raid1.c

Replacing n & (n - 1) for power of 2 check by is_power_of_2(n) Signed-off-by: vignesh babu <[EMAIL PROTECTED]> --- diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c index 144071e..969b398 100644 --- a/drivers/md/dm-raid1.c +++ b/drivers/md/dm-raid1.c @@ -19,6 +19,7 @@ #include #include

Re: [RFD] Layering: Use-Case Composers (was: DRBD - what is it, anyways? [compare with e.g. NBD + MD raid])

[EMAIL PROTECTED] wrote: Would this just be relevant to network devices or would it improve support for jostled usb and sata hot-plugging I wonder? good question, I suspect that some of the error handling would be similar (for devices that are unreachable not haning the system for example), b

Re: [RFD] Layering: Use-Case Composers (was: DRBD - what is it, anyways? [compare with e.g. NBD + MD raid])

On Aug 12 2007 20:21, [EMAIL PROTECTED] wrote: > > per the message below MD (or DM) would need to be modified to work > reasonably well with one of the disk components being over an > unreliable link (like a network link) Does not dm-multipath do something like that? > are the MD/DM maintainers

Re: [RFD] Layering: Use-Case Composers (was: DRBD - what is it, anyways? [compare with e.g. NBD + MD raid])

On Mon, 13 Aug 2007, David Greaves wrote: [EMAIL PROTECTED] wrote: per the message below MD (or DM) would need to be modified to work reasonably well with one of the disk components being over an unreliable link (like a network link) are the MD/DM maintainers interested in extending their

Convert RAID1 to standard ext2

Hi, I had 2x750GB drives in a RAID1 configuration in a D-Link NAS (DNS-323) device with embedded Linux as an ext2 volume. The configuration was corrupted and the NAS no longer saw the RAID. I put the drives in another Linux box and was able to use mdadm to scan the drives. It recognized the RAID1

Re: [RFD] Layering: Use-Case Composers (was: DRBD - what is it, anyways? [compare with e.g. NBD + MD raid])

[EMAIL PROTECTED] wrote: per the message below MD (or DM) would need to be modified to work reasonably well with one of the disk components being over an unreliable link (like a network link) are the MD/DM maintainers interested in extending their code in this direction? or would they prefer

Re: [RFD] Layering: Use-Case Composers (was: DRBD - what is it, anyways? [compare with e.g. NBD + MD raid])

Paul Clements wrote: Well, if people would like to see a timeout option, I actually coded up a patch a couple of years ago to do just that, but I never got it into mainline because you can do almost as well by doing a check at user-level (I basically ping the nbd connection periodically and if

[PATCH] [442/2many] MAINTAINERS - SOFTWARE RAID (Multiple Disks) SUPPORT

Add file pattern to MAINTAINER entry Signed-off-by: Joe Perches <[EMAIL PROTECTED]> diff --git a/MAINTAINERS b/MAINTAINERS index d17ae3d..29a2179 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -4205,6 +4205,8 @@ P:Neil Brown M: [EMAIL PROTECTED] L: linux-raid@vger.kernel.org S: