In addition, "cat /etc/fstab": # /etc/fstab: static file system information. # # <file system> <mount point> <type> <options> <dump> <pass> proc /proc proc defaults 0 0 /dev/md2 / ext3 defaults,errors=remount-ro 0 1 /dev/md0 /boot ext3 defaults 0 2 /dev/md6 /home ext3 defaults 0 2 /dev/md5 /tmp ext3 defaults 0 2 /dev/md3 /usr ext3 defaults 0 2 /dev/md4 /var ext3 defaults 0 2 /dev/md1 none swap sw 0 0 /dev/hda /media/cdrom0 udf,iso9660 user,noauto 0 0 /dev/fd0 /media/floppy0 auto rw,user,noauto 0 0 =====
file system "ext3" ===== Filesystem Size Used Avail Use% Mounted on /dev/md2 14G 1.4G 12G 11% / tmpfs 12G 0 12G 0% /lib/init/rw udev 10M 128K 9.9M 2% /dev tmpfs 12G 0 12G 0% /dev/shm /dev/md0 2.8G 103M 2.6G 4% /boot /dev/md6 97G 1.1G 91G 2% /home /dev/md5 1.8G 33M 1.7G 2% /tmp /dev/md3 14G 6.6G 6.6G 50% /usr ====== What I am unable to documante from commands, is the presence of directory /opt where a non-GNU compiler and its math libraries are installed. The root directory reads: bin boot cdrom dev emul etc home initrd initrd.img initrd.img.old lib lib32 lib64 lost+found media mnt opt proc root sbin opt proc root sbin selinux srv sys tmp usr var vmlinuz vmlinuz.old ========== /dev/md4 2.8G 1.6G 1.1G 59% /var On Wed, Oct 29, 2008 at 8:24 AM, Francesco Pietra <[EMAIL PROTECTED]> wrote: > On Wed, Oct 29, 2008 at 7:06 AM, Douglas A. Tutty <[EMAIL PROTECTED]> wrote: >> On Wed, Oct 29, 2008 at 05:44:31AM +0100, Francesco Pietra wrote: >>> Major mistake (shutting down the ups unit) while doing a parallel >>> computation on all 8 processors (UMA-type machine amd64 lenny with >>> raid 1 two disks). >>> >>> On restarting the machine and the computation, >>> >>> "fdisk -l" showed >>> "Disk /dev/md6 doesn't contain a valid partition table" >>> >>> >>> "df -h" showed >>> 97G 1.1G 91G 2% /home >>> (which should have been ca 70% used). >>> >>> All other partitions were OK, as they should be. >> >> It would help us to follow if you provided a map of device to >> mount-point since, e.g. whe don't know what device is /home. > > As from my raid1 setup documantation: > > md 6 is /home/francesco/ > > md5 is /tmp > > Any command to check the above from the present status? > ==== > In present status; > > "cat /proc/mdstat: > Personalities : [raid1] > md6 : active raid1 sda8[0] sdb8[1] > 102341952 blocks [2/2] [UU] > > md5 : active raid1 sda7[0] sdb7[1] > 1951744 blocks [2/2] [UU] > > md4 : active raid1 sda6[0] sdb6[1] > 2931712 blocks [2/2] [UU] > > md3 : active raid1 sda5[0] sdb5[1] > 14651136 blocks [2/2] [UU] > > md1 : active(auto-read-only) raid1 sda2[0] sdb2[1] > 6835584 blocks [2/2] [UU] > > md0 : active raid1 sda1[0] sdb1[1] > 2931712 blocks [2/2] [UU] > > md2 : active raid1 sda3[0] sdb3[1] > 14651200 blocks [2/2] [UU] > > unused devices: <none> > ========= > "fdisk -l": > Disk /dev/sda: 150.0 GB, 150039945216 bytes > 255 heads, 63 sectors/track, 18241 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > Disk identifier: 0x0009e776 > > Device Boot Start End Blocks Id System > /dev/sda1 * 1 365 2931831 fd Linux raid autodetect > /dev/sda2 366 1216 6835657+ fd Linux raid autodetect > /dev/sda3 1217 3040 14651280 fd Linux raid autodetect > /dev/sda4 3041 18213 121877122+ 5 Extended > /dev/sda5 3041 4864 14651248+ fd Linux raid autodetect > /dev/sda6 4865 5229 2931831 fd Linux raid autodetect > /dev/sda7 5230 5472 1951866 fd Linux raid autodetect > /dev/sda8 5473 18213 102342051 fd Linux raid autodetect > > Disk /dev/sdb: 150.0 GB, 150039945216 bytes > 255 heads, 63 sectors/track, 18241 cylinders > Units = cylinders of 16065 * 512 = 8225280 bytes > Disk identifier: 0x000b05ba > > Device BootDisk /dev/md2 doesn't contain a valid partition table > Disk /dev/md0 doesn't contain a valid partition table > Start End Blocks Id System > /dev/sdb1 * 1 365 2931831 fd Linux raid autodetect > /dev/sdb2 366 1216 6835657+ fd Linux raid autodetect > /dev/sdb3 1217 3040 14651280 fd Linux raid autodetect > /dev/sdb4 3041 18213 121877122+ 5 Extended > /dev/sdb5 3041 4864 14651248+ fd Linux raid autodetect > /dev/sdb6 4865 5229 2931831 fd Linux raid autodetect > /dev/sdb7 5230 5472 1951866 fd Linux raid autodetect > /dev/sdb8 5473 18213 102342051 fd Linux raid autodetect > > Disk /dev/md2: 15.0 GB, 15002828800 bytes > 2 heads, 4 sectors/track, 3662800 cylinders > Units = cylinders of 8 * 512 = 4096 bytes > Disk identifier: 0x00000000 > > > Disk /dev/md0: 3002 MB, 3002073088 bytes > 2 heads, 4 sectors/track, 732928 cylinders > Units = cylinders of 8 * 512 = 4096 bytes > Disk identifier: 0x00000000 > > > Disk /dev/md1: 6999 MB, 6999638016 bytes > 2 heads,Disk /dev/md1 doesn't contain a valid partition table > Disk /dev/md3 doesn't contain a valid partition table > Disk /dev/md4 doesn't contain a valid partition table > Disk /dev/md5 doesn't contain a valid partition table > Disk /dev/md6 doesn't contain a valid partition table > 4 sectors/track, 1708896 cylinders > Units = cylinders of 8 * 512 = 4096 bytes > Disk identifier: 0x00000000 > > > Disk /dev/md3: 15.0 GB, 15002763264 bytes > 2 heads, 4 sectors/track, 3662784 cylinders > Units = cylinders of 8 * 512 = 4096 bytes > Disk identifier: 0x00000000 > > > Disk /dev/md4: 3002 MB, 3002073088 bytes > 2 heads, 4 sectors/track, 732928 cylinders > Units = cylinders of 8 * 512 = 4096 bytes > Disk identifier: 0x00000000 > > > Disk /dev/md5: 1998 MB, 1998585856 bytes > 2 heads, 4 sectors/track, 487936 cylinders > Units = cylinders of 8 * 512 = 4096 bytes > Disk identifier: 0x00000000 > > > Disk /dev/md6: 104.7 GB, 104798158848 bytes > 2 heads, 4 sectors/track, 25585488 cylinders > Units = cylinders of 8 * 512 = 4096 bytes > Disk identifier: 0x00000000 > =================== > > >> >>> "top -i" showed >>> all 8 instances fo the parallel procedure >>> md6_resync (CPU% 6) >>> md5_resync (CPU% 0) >>> kjournald >>> >>> >>> After some time md6_resync, md5_resync, kjournald disappeared, leaving >>> only the 8 parallel procedures. >>> >>> Commanding "cat density6.out" the parallel procedure seems to work >>> regularly, confirmed by "la -l" which shows all files (some as large >>> as 100MB) for the present computation and the 5 analogous computations >>> already carried out (of these five computations I had scp sent a copy >>> to my desktop). >>> >>> Where are the data for the current 6th computation being stored? >>> >>> The computer was then shutdown and restarted >>> >>> df -h output as above. >>> >>> fdisk -l >>> Neither /dev/md6 nor /dev/md5 have a valid partition table. >>> >>> cd to my home shows all directories and files for work (in my home >>> only data from computations, all applications installed in >>> /usr/local). >>> >>> What could I do to set up the system in order before resuming the >>> computation? >> >> >> I don't suppose that you kept a copy of your partition table as part of >> your backup script? e.g. /sbin/sfdisk -d <device>? > > Unfortunately not. I take notice of this for the future > > Thanks > francesco >> >> If so, you can write it back. >> >> Doug. >> >> >> -- >> To UNSUBSCRIBE, email to [EMAIL PROTECTED] >> with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] >> >> > -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
