Mailinglist Archive: opensuse (3572 mails)

[Aaron Bridge <a.bridge@xxxxxxxxxxxxx>]

Jim Flanagan wrote:
> Aaron Bridge wrote:
> > I have setup RAID 1 with IDE drives.  They are not on the same IDE 
> > cable.  When I look at Linux Raid with webmin it tells me
> >
> > *Device file*     /dev/md1
> > *RAID level*     Mirrored (RAID1)
> > *Filesystem status*     For mounting on swap
> > *Usable size*     787172 blocks (768.72 MB)
> > *Persistent superblock?*     Yes
> > *Chunk size*     Default
> > *RAID status*     active, Not Started
> >
> >
> > The other partitions seem to be fine.
> > This is the first Linux Raid I have setup. 
> I had the same problem with linux raid and swap. See the below post 
> which resolved my problem.
>
> Jim F
>
> ----------
>
> Herbert Graeber wrote:
>
> > > Am Sonntag, 3. Februar 2008 05:26:18 schrieb Jim Flanagan:
> > >    
> > > >> I'm having trouble with my swap file. I have my swap set up in a
> > > >> mirrored raid on md1. It is showing in sysinfo as swap not 
> > > available. So
> > > >> i'm trying to delete md1, and repartition those 2 partitions as 
> > > separate
> > > >> swap partitions, using yast partitioner. Problem is that I get an 
> > > error
> > > >> saying...
> > > >> -----------------
> > > >> Failure occurred during the following action
> > > >> Deleting software RAID  /dev/md1
> > > >>
> > > >> System error code was -6006
> > > >>
> > > >> mdadm --stop /dev/md1:
> > > >> mdadm: fail to stop array /dev/md1:device or resource busy
> > > >> -----------------
> > > >>
> > > >> I do have three other Linux RAID partitions on this machine, md0, 
> > > md2
> > > >> and md3, and these are functioning properly.
> > > >>
> > > >> I don't remember having this problem before, and I know swap was 
> > > working
> > > >> at some point, but it isn't now.
> > > >>
> > > >> Any pointers?
> > > >>         
> > >
> > > Maybe that is, because mirrored swap partitions cannot be used for 
> > suspend to > disk. You can disable this by replacing resume=/dev/md1 
> > by noresume in your > bootloader configuration.
> > >
> > > Cheers
> > > Herbert
> > >
> > >     
> Thanks Herbert, this fixed my problem. I had used "noresume" in the grub
> boot options, but for some reason that stopped working. By making that
> permanant in my grub file I can now access and manage my swap on
> /dev/md1. I have it on raid1.
>
> Many thanks for the tip.
>
> Jim F
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Yes, it looks like that worked.  Swap now shows active and I see it as 
virtual memory in Webmin now.

Device file     /dev/md1
RAID level     Mirrored (RAID1)
Filesystem status     Mounted on swap
Usable size     787172 blocks (768.72 MB)
Persistent superblock?     Yes
Chunk size     Default
RAID status     active
Partitions in RAID     SCSI device A partition 2
SCSI device B partition 2

For what ever reason the Linux Raid main page in webmin shows it as not 
active.

Device name     Active?     RAID level     Member disk devices
    /dev/md1     No     Mirrored (RAID1)     /dev/sda2 | /dev/sdb2

This may just be webmin issue and I will post there.

Thanks for the help.
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