Re: Customize the error emails of `mdadm --monitor`

2007-06-06 Thread Peter Rabbitson
Iustin Pop wrote: On Wed, Jun 06, 2007 at 01:31:44PM +0200, Peter Rabbitson wrote: Peter Rabbitson wrote: Hi, Is there a way to list the _number_ in addition to the name of a problematic component? The kernel trend to move all block devices into the sdX namespace combined with the dynamic

Re: Customize the error emails of `mdadm --monitor`

2007-06-06 Thread Iustin Pop
On Wed, Jun 06, 2007 at 01:31:44PM +0200, Peter Rabbitson wrote: Peter Rabbitson wrote: Hi, Is there a way to list the _number_ in addition to the name of a problematic component? The kernel trend to move all block devices into the sdX namespace combined with the dynamic name allocation

bug report on mdadm --export

2007-06-06 Thread Hubert Verstraete
Hi a quick mail to report a bug. The option -Y is not recognized by mdadm 2.6.2. Acccording to the man page, this is an alias to --export. By the way, are there any plan to make the --export command work with some other commands like --examine ? Hubert Verstraete - To unsubscribe from this

Re: Customize the error emails of `mdadm --monitor`

2007-06-06 Thread Iustin Pop
On Wed, Jun 06, 2007 at 02:23:31PM +0200, Peter Rabbitson wrote: Iustin Pop wrote: On Wed, Jun 06, 2007 at 01:31:44PM +0200, Peter Rabbitson wrote: Peter Rabbitson wrote: Hi, Is there a way to list the _number_ in addition to the name of a problematic component? The kernel trend to move

Re: Customize the error emails of `mdadm --monitor`

2007-06-06 Thread Peter Rabbitson
Gabor Gombas wrote: On Wed, Jun 06, 2007 at 02:23:31PM +0200, Peter Rabbitson wrote: This would not work as arrays are assembled by the kernel at boot time, at which point there is no udev or anything else for that matter other than /dev/sdX. And I am pretty sure my OS (debian) does not

RE: RAID 6 grow problem

2007-06-06 Thread Daniel Korstad
Sometimes people confuse Bus speed with actually drive speeds. Manufactures do it as a marketing ploy. There is the physical limitation for the internal drive with a sustained read/write speed. Higher RPMs help. Perpendicular technologies will too as more information passes the head in each

RE: RAID 6 grow problem

2007-06-06 Thread Jon Nelson
On Wed, 6 Jun 2007, Daniel Korstad wrote: You say you have a RAID with three drive (I assume RAID5) with a read performance of 133MB/s. There are lots of variables, file system type, cache tuning, but that sounds very reasonable to me. I just did the math quickly - assuming each drive can

Re: Customize the error emails of `mdadm --monitor`

2007-06-06 Thread Peter Rabbitson
Gabor Gombas wrote: On Wed, Jun 06, 2007 at 04:24:31PM +0200, Peter Rabbitson wrote: So I was asking if the component _number_, which is unique to a specific device regardless of the assembly mechanism, can be reported in case of a failure. So you need to write an event-handling script and

RE: RAID 6 grow problem

2007-06-06 Thread Neil Brown
On Wednesday June 6, [EMAIL PROTECTED] wrote: A question posed by a friend is this: assuming 64K blocks, if I read a single stripe from a raid (128K, right?) then two drives will be used (say, drive A and drive B). If I want the next 128K then which drives are most likely to be used?