Re: Moving mdadm raid volume to new OS install

2013-02-09 Thread Pascal Hambourg
Sam Martin a écrit : > > You mean test whether i can bring the raid vol up by booting into 64bit > debian from usb? Yes. > i did a mdadm -e on one of the disks in the array > > root@HTPC-NAS:~# mdadm -E /dev/sdc1 > /dev/sdc1: > Magic : a92b4efc > Version : 1.2 > Feature M

Re: Moving mdadm raid volume to new OS install

2013-02-08 Thread Andrei POPESCU
On Vi, 08 feb 13, 18:25:04, Chris Bannister wrote: > > What a horrible email client, how do you know who wrote what? It seems to be one of those "smart" clients that defaults to html and inserts quoting when you try to interleave your reply. Usually switching to plain text only helps. Kind reg

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Chris Bannister
On Thu, Feb 07, 2013 at 07:03:52PM -0700, Shane Johnson wrote: > On Thu, Feb 7, 2013 at 6:52 PM, Bob Proulx wrote: > > > Shane Johnson wrote: > > > Sam Martin wrote: > > > >> > > ...174 lines snipped... > > > > It would be super awesome if you would trim the previously quoted > > material to just

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Shane Johnson
On Thu, Feb 7, 2013 at 6:52 PM, Bob Proulx wrote: > Shane Johnson wrote: > > Sam Martin wrote: > > >> > ...174 lines snipped... > > It would be super awesome if you would trim the previously quoted > material to just the parts you are responding to before mailing. Thanks. > > Sorry about that -

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Bob Proulx
Shane Johnson wrote: > Sam Martin wrote: > >> ...174 lines snipped... It would be super awesome if you would trim the previously quoted material to just the parts you are responding to before mailing. Thanks. > From my experience you have to manually put it in there. Going from > memory, I beli

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Shane Johnson
On Thu, Feb 7, 2013 at 5:13 PM, Sam Martin wrote: > thanks shane. sorry, just one last thing. > > my mdadm.config doesn't contain reference to any devices. is this because > it's stored on the raid members? > > thanks again, > sam > > > On 8 February 2013 00:10, Shane Johnson wrote: > >> >> On Th

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Sam Martin
brilliant, not rebuild though, you mean remount / assemble? On 7 February 2013 23:50, Shane Johnson wrote: > On Thu, Feb 7, 2013 at 4:46 PM, Sam Martin wrote: > >> do you know whether i could move a raid1 vol from 32bit dist to 64bit >> dist? >> >> >> >> >> On 7 February 2013 23:32, Shane John

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Shane Johnson
On Thu, Feb 7, 2013 at 5:07 PM, Sam Martin wrote: > brilliant, not rebuild though, you mean remount / assemble? > > > On 7 February 2013 23:50, Shane Johnson wrote: > >> On Thu, Feb 7, 2013 at 4:46 PM, Sam Martin wrote: >> >>> do you know whether i could move a raid1 vol from 32bit dist to 64bit

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Shane Johnson
On Thu, Feb 7, 2013 at 4:46 PM, Sam Martin wrote: > do you know whether i could move a raid1 vol from 32bit dist to 64bit dist? > > > > > On 7 February 2013 23:32, Shane Johnson wrote: > >> On Thu, Feb 7, 2013 at 4:23 PM, Sam Martin wrote: >> >>> could it be used without mdadm? i think the sugge

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Sam Martin
could it be used without mdadm? i think the suggestion was that if it went wrong the disk could still be used as the "raid" stuff was on the end of the disk? that right? On 7 February 2013 22:33, Shane Johnson wrote: > > On Thu, Feb 7, 2013 at 2:42 PM, Sam Martin wrote: > >> Hi Pascal, >> >>

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Shane Johnson
On Thu, Feb 7, 2013 at 4:23 PM, Sam Martin wrote: > could it be used without mdadm? i think the suggestion was that if it went > wrong the disk could still be used as the "raid" stuff was on the end of > the disk? > > that right? > > > On 7 February 2013 22:33, Shane Johnson wrote: > >> >> On Thu

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Shane Johnson
On Thu, Feb 7, 2013 at 2:42 PM, Sam Martin wrote: > Hi Pascal, > > I'm not sure what top-posting is? > I hope this isn't it! > > You mean test whether i can bring the raid vol up by booting into 64bit > debian from usb? > > i did a mdadm -e on one of the disks in the array > > root@HTPC-NAS:~# md

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Andrei POPESCU
On Jo, 07 feb 13, 13:42:34, Sam Martin wrote: > Hi Pascal, > > I'm not sure what top-posting is? > I hope this isn't it! http://wiki.debian.org/FAQsFromDebianUser#What_is_top-posting_.28and_why_shouldn.27t_I_do_it.29.3F Kind regards, Andrei -- Offtopic discussions among Debian users and develop

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Bob Proulx
Sam Martin wrote: > I'm not sure what top-posting is? This URL will help you learn about it: http://lmgtfy.com/?q=top+posting > I hope this isn't it! It was. Bob signature.asc Description: Digital signature

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Sam Martin
Hi Pascal, I'm not sure what top-posting is? I hope this isn't it! You mean test whether i can bring the raid vol up by booting into 64bit debian from usb? i did a mdadm -e on one of the disks in the array root@HTPC-NAS:~# mdadm -E /dev/sdc1 /dev/sdc1: Magic : a92b4efc Versio

Re: Moving mdadm raid volume to new OS install

2013-02-07 Thread Sam Martin
Hi Andrei, Yes that's absolutely correct. I don't have anything to backup the backup to really which is not great but better than none. Thanks, Sam On Wednesday, January 30, 2013 10:30:01 AM UTC, Andrei POPESCU wrote: > On Lu, 28 ian 13, 20:32:49, Linux-Fan wrote: > > > On 01/27/2013 10:13 PM

Re: Moving mdadm raid volume to new OS install

2013-01-30 Thread Andrei POPESCU
On Lu, 28 ian 13, 20:32:49, Linux-Fan wrote: > On 01/27/2013 10:13 PM, Sam Martin wrote: > > Thanks Frank, > > > > But this is kind of my backup. I don't have any capacity to backup to > > another drive/ext HDD. > > Raid is not a backup. My reading of the above was "this RAID holds my backup(

Re: Moving mdadm raid volume to new OS install

2013-01-28 Thread Linux-Fan
On 01/27/2013 10:13 PM, Sam Martin wrote: > Thanks Frank, > > But this is kind of my backup. I don't have any capacity to backup to > another drive/ext HDD. Raid is not a backup. All data can easily get lost by one wrong command, e.g. someone does rm -rf /mountpoint (accidentally, some do becau

Re: Moving mdadm raid volume to new OS install

2013-01-27 Thread Pascal Hambourg
Sam Martin a écrit : > Thanks for reply Pascal. Please don't top-post. > How would I know? mdadm -E /dev/ (e.g. /dev/sdc1) mdadm -D /dev/ (e.g. /dev/md0) cat /proc/mdstat > I've just posted a question to original response, do you happen to know the > answer? There are two questions. I already

Re: Moving mdadm raid volume to new OS install

2013-01-27 Thread Sam Martin
Thanks Frank, But this is kind of my backup. I don't have any capacity to backup to another drive/ext HDD. The OS is running off a small SSD. I have 2x3TB drives for data running in RAID1. I assumed with software raid, the drives couldn't be used without being part of the RAID config, i.e. pr

Re: Moving mdadm raid volume to new OS install

2013-01-27 Thread Sam Martin
Thanks for reply Pascal. How would I know? I've just posted a question to original response, do you happen to know the answer? Many thanks, Sam On Sunday, January 27, 2013 5:20:03 PM UTC, Pascal Hambourg wrote: > Hello, > > > > Sam Martin a ᅵcrit : > > > The raid is a simple mirror at th

Re: Moving mdadm raid volume to new OS install

2013-01-27 Thread Pascal Hambourg
Hello, Sam Martin a écrit : > The raid is a simple mirror at the moment, but I'm guessing I cannot > use it without mdadm if it did go wrong? You can use a RAID 1 partition as a standard partition if the RAID superblock format is 0.90 or 1.0 (metadata located at the end of the partition) but not

Re: Moving mdadm raid volume to new OS install

2013-01-27 Thread Frank
On 01/27/2013 02:18 PM, Sam Martin wrote: > I'm about to reinstall linux using 64bit wheezy dist rather than the 32bit on > i inadvertently used. > > I've got a copy of /etc but I'm concerned that in /etc/mdadm/mdadm.config > there is no reference to the array. > > The only lines that are unco

Moving mdadm raid volume to new OS install

2013-01-27 Thread Sam Martin
Hi all, I'm about to reinstall linux using 64bit wheezy dist rather than the 32bit on i inadvertently used. I've got a copy of /etc but I'm concerned that in /etc/mdadm/mdadm.config there is no reference to the array. The only lines that are uncommented are CREATE owner=root group=disk mode=