Re: Test 2

2007-10-25 Thread Janek Kozicki
Daniel L. Miller said: (by the date of Thu, 25 Oct 2007 16:32:31 -0700) > Thanks for the test responses - I have re-subscribed...if I see this > myself...I'm back! I know that gmail doesn't allow to see your own posts on mailing lists. Only posts from other people. Maybe you have a similar p

Re: Time to deprecate old RAID formats?

2007-10-25 Thread Neil Brown
On Thursday October 25, [EMAIL PROTECTED] wrote: > > I didn't get a reply to my suggestion of separating the data and location... No. Sorry. > > ie not talking about superblock versions 0.9, 1.0, 1.1, 1.2 etc but a data > format (0.9 vs 1.0) and a location (end,start,offset4k)? > > This would

Re: Raid-10 mount at startup always has problem

2007-10-25 Thread Neil Brown
On Thursday October 25, [EMAIL PROTECTED] wrote: > Neil Brown wrote: > > It might be worth finding out where mdadm is being run in the init > > scripts and add a "-v" flag, and redirecting stdout/stderr to some log > > file. > > e.g. > >mdadm -As -v > /var/log/mdadm-$$ 2>&1 > > > > And see if

Re: Raid-10 mount at startup always has problem

2007-10-25 Thread Neil Brown
On Thursday October 25, [EMAIL PROTECTED] wrote: > Neil Brown wrote: > > > > BTW, I don't think your problem has anything to do with the fact that > > you are using whole partitions. > > > > You don't think the "unknown partition table" on sdd is related? Because > I read that as a sure indica

Re: Time to deprecate old RAID formats?

2007-10-25 Thread Neil Brown
On Thursday October 25, [EMAIL PROTECTED] wrote: > Neil Brown wrote: > > I certainly accept that the documentation is probably less that > > perfect (by a large margin). I am more than happy to accept patches > > or concrete suggestions on how to improve that. I always think it is > > best if a n

Re: Test

2007-10-25 Thread Justin Piszcz
Success. On Thu, 25 Oct 2007, Daniel L. Miller wrote: Sorry for consuming bandwidth - but all of a sudden I'm not seeing messages. Is this going through? -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to [EMAIL PROTECTED] More majord

Re: Test 2

2007-10-25 Thread Justin Piszcz
Success 2. On Thu, 25 Oct 2007, Daniel L. Miller wrote: Thanks for the test responses - I have re-subscribed...if I see this myself...I'm back! -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to [EMAIL PROTECTED] More majordomo info at

Test 2

2007-10-25 Thread Daniel L. Miller
Thanks for the test responses - I have re-subscribed...if I see this myself...I'm back! -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: Time to deprecate old RAID formats?

2007-10-25 Thread Doug Ledford
On Wed, 2007-10-24 at 16:22 -0400, Bill Davidsen wrote: > Doug Ledford wrote: > > On Mon, 2007-10-22 at 16:39 -0400, John Stoffel wrote: > > > > > >> I don't agree completely. I think the superblock location is a key > >> issue, because if you have a superblock location which moves depending >

Test

2007-10-25 Thread Daniel L. Miller
Sorry for consuming bandwidth - but all of a sudden I'm not seeing messages. Is this going through? -- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html

Re: Raid-10 mount at startup always has problem

2007-10-25 Thread Daniel L. Miller
Bill Davidsen wrote: You don't think the "unknown partition table" on sdd is related? Because I read that as a sure indication that the system isn't considering the drive as one without a partition table, and therefore isn't looking for the superblock on the whole device. And as Doug pointed o

Re: Time to deprecate old RAID formats?

2007-10-25 Thread David Greaves
Bill Davidsen wrote: > Neil Brown wrote: >> I certainly accept that the documentation is probably less that >> perfect (by a large margin). I am more than happy to accept patches >> or concrete suggestions on how to improve that. I always think it is >> best if a non-developer writes documentatio

Multipath and nbd

2007-10-25 Thread Bill Davidsen
I am at the design stage for a new server. That's when you try to convince a client that they have an unfavorable ratio of requirements to budget. I am thinking a raid-1, with a mirror to an nbd device running write-mostly. I will have redundant network paths to the other machine, one via a ded

Re: Time to deprecate old RAID formats?

2007-10-25 Thread Bill Davidsen
Neil Brown wrote: I certainly accept that the documentation is probably less that perfect (by a large margin). I am more than happy to accept patches or concrete suggestions on how to improve that. I always think it is best if a non-developer writes documentation (and a developer reviews it) as

Re: Raid-10 mount at startup always has problem

2007-10-25 Thread Bill Davidsen
Neil Brown wrote: On Wednesday October 24, [EMAIL PROTECTED] wrote: Current mdadm.conf: DEVICE partitions ARRAY /dev/.static/dev/md0 level=raid10 num-devices=4 UUID=9d94b17b:f5fac31a:577c252b:0d4c4b2a auto=part still have the problem where on boot one drive is not part of the array. Is t

Re: deleting mdadm array?

2007-10-25 Thread Janek Kozicki
David Greaves said: (by the date of Thu, 25 Oct 2007 10:55:44 +0100) > How much later? This will, of course, destroy any data on the array (!) and > you'll need to mkfs again... Just after, I didn't even create LVM volume on it (not mentioning formatting it). > Also, if you don't mind me ask

Re: Raid-10 mount at startup always has problem

2007-10-25 Thread Daniel L. Miller
Neil Brown wrote: It might be worth finding out where mdadm is being run in the init scripts and add a "-v" flag, and redirecting stdout/stderr to some log file. e.g. mdadm -As -v > /var/log/mdadm-$$ 2>&1 And see if that leaves something useful in the log file. I haven't rebooted yet, b

Re: Raid-10 mount at startup always has problem

2007-10-25 Thread Daniel L. Miller
Neil Brown wrote: It might be worth finding out where mdadm is being run in the init scripts and add a "-v" flag, and redirecting stdout/stderr to some log file. e.g. mdadm -As -v > /var/log/mdadm-$$ 2>&1 And see if that leaves something useful in the log file. I haven't rebooted yet, bu

Re: deleting mdadm array?

2007-10-25 Thread Neil Brown
On Thursday October 25, [EMAIL PROTECTED] wrote: > I think the only time you need to 'delete' an array before creating a new one > is > if you change the superblock version since it quietly writes different > superblocks to different disk locations you may end up with 2 superblocks on > the > dis

Re: deleting mdadm array?

2007-10-25 Thread David Greaves
Janek Kozicki wrote: > Hello, > > I just created a new array /dev/md1 like this: > > mdadm --create --verbose /dev/md1 --chunk=64 --level=raid5 \ >--metadata=1.1 --bitmap=internal \ >--raid-devices=3 /dev/hdc2 /dev/sda2 missing > > > But later I changed my mind, and I wanted to use chu

Re: deleting mdadm array?

2007-10-25 Thread Neil Brown
On Thursday October 25, [EMAIL PROTECTED] wrote: > Hello, > > I just created a new array /dev/md1 like this: > > mdadm --create --verbose /dev/md1 --chunk=64 --level=raid5 \ >--metadata=1.1 --bitmap=internal \ >--raid-devices=3 /dev/hdc2 /dev/sda2 missing > > > But later I changed my m

Re: Time to deprecate old RAID formats?

2007-10-25 Thread David Greaves
Jeff Garzik wrote: > Neil Brown wrote: >> As for where the metadata "should" be placed, it is interesting to >> observe that the SNIA's "DDFv1.2" puts it at the end of the device. >> And as DDF is an industry standard sponsored by multiple companies it >> must be .. >> Sorry. I had intended to

deleting mdadm array?

2007-10-25 Thread Janek Kozicki
Hello, I just created a new array /dev/md1 like this: mdadm --create --verbose /dev/md1 --chunk=64 --level=raid5 \ --metadata=1.1 --bitmap=internal \ --raid-devices=3 /dev/hdc2 /dev/sda2 missing But later I changed my mind, and I wanted to use chunk 128. Do I need to delete this array so

Re: Time to deprecate old RAID formats?

2007-10-25 Thread Doug Ledford
On Thu, 2007-10-25 at 09:55 +1000, Neil Brown wrote: > As for where the metadata "should" be placed, it is interesting to > observe that the SNIA's "DDFv1.2" puts it at the end of the device. > And as DDF is an industry standard sponsored by multiple companies it > must be .. > Sorry. I had i