A couple of scripts have been posted to automatically take care of this. If nobody else has the short one handy, I'll try to find mine.
> -----Original Message----- > From: Linux on 390 Port [mailto:[EMAIL PROTECTED] Behalf Of > Betsie Spann > Sent: Thursday, April 22, 2004 12:39 PM > To: [EMAIL PROTECTED] > Subject: Re: [LINUX-390] more than 26 disks > > > Ken, > For any dasd greater than dasdz you must run mknod > mknod -m 660 /dev/dasdaa b 94 104 > mknod -m 660 /dev/dasdaa1 b 94 105 > mknod -m 660 /dev/dasdab b 94 108 > mknod -m 660 /dev/dasdab1 b 94 109 > > Get the major/minor node numbers from a cat of /proc/dasd/devices > I don't create nodes for partitions 2 and 3 because I don't > use them. No > harm in doing it though > mknod -m 660 /dev/dasdaa2 b 94 106 etc > > Betsie > ----- Original Message ----- > From: "Ken Vance" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Thursday, April 22, 2004 9:22 AM > Subject: more than 26 disks > > > > Hi, > > > > We were adding a large number of disks to our SuSE8 image. > Normally, it > > adds the dasd as "dasda", "dasdb", etc. When we added disk > 27, it adds > > the dasd as "dasdaa". > > > > Here is the log when the devices were added: > > > > dasd(eckd): /dev/dasdaa ( 94:104),[EMAIL PROTECTED]: > 3390/0A(CU:3990/01) Cyl:3338 > > Head:15 > > dasd(eckd): /dev/dasdaa ( 94:104),[EMAIL PROTECTED]: > 3390/0A(CU:3990/01) Cyl:3338 > > Head:15 > > dasd(eckd): /dev/dasdaa ( 94:104),[EMAIL PROTECTED]: DIAG210 returned > VRDCRCCL = 04, > > VRDC > > dasd(eckd): /dev/dasdaa ( 94:104),[EMAIL PROTECTED]: XRC_supported > reset because of > > missi > > dasd(eckd): /dev/dasdaa ( 94:104),[EMAIL PROTECTED]: 3390/0A(CU:3990/01): > > Configuration d > > Apr 22 13:00:02 linvm01 kernel: debug: dasdz: new level 3 > > Apr 22 13:00:02 linvm01 kernel: dasd(eckd): /dev/dasdaa ( > 94:104),[EMAIL PROTECTED]: > > 3390 > > Apr 22 13:00:02 linvm01 kernel: dasd(eckd): /dev/dasdaa ( > 94:104),[EMAIL PROTECTED]: > > DIAG > > 82 > > dasd(eckd): /dev/dasdy ( 94: 96),[EMAIL PROTECTED]: (4kB blks): 2403360kB at > > 48kB/trk li > > Apr 22 13:00:02 linvm01 kernel: dasd(eckd): /dev/dasdaa ( > 94:104),[EMAIL PROTECTED]: > > XRC_ > > Apr 22 13:00:02 linvm01 kernel: dasd(eckd): /dev/dasdaa ( > 94:104),[EMAIL PROTECTED]: > > 3390 > > Apr 22 13:00:02 linvm01 kernel: dasd(eckd): /dev/dasdy ( > 94: 96),[EMAIL PROTECTED]: > > (4kB > > debug: dasdaa: new level 3 > > > > The Linux administration group then formatted and made a > file system on > > the various dasd volumes. He had a problem when he went to > format the > > "dasdaa" volume. It could not find the "dasdaa" device. > He created it, > > and then he could format it. When he tried to make a files > system, it > > again failed. When he creates the filesystem, he specifies the dasd > > without a number, ie. "dasdj", "dasdk", etc. I noticed in > Mark Post's > > presentation , he has the following: > > > > > 2.4.x Kernels > > > mke2fs -b 4096 /dev/dasd?1,2,3 > > > mke2fs -b 4096 /dev/dasda1 > > > mke2fs -b 4096 /dev/dasda2 > > > mke2fs -b 4096 /dev/dasda3 > > > > What is the difference betweem 1, 2, and 3. Also, why did > the system not > > create the "dasdaa", and "dasdaa1" information? Is there something > > special we must do when we reach disk number 27? Are the > numbers used if > > you partition the drive into smaller areas? We only have > one area on the > > disk, so I would guess that it would be the "1". > > > > Here is the log: > > > > linvm01:~ # dasdfmt -b 4096 -d ldl -f /dev/dasdaa > > dasdfmt: Unable to open device /dev/dasdaa: No such file or > directory > > > > This was true: > > > > linvm01:~ # ls -la /dev/dasda* > > brw-rw---- 1 root disk 94, 0 Nov 6 2002 /dev/dasda > > brw-rw---- 1 root disk 94, 1 Nov 6 2002 /dev/dasda1 > > brw-rw---- 1 root disk 94, 2 Nov 6 2002 /dev/dasda2 > > brw-rw---- 1 root disk 94, 3 Nov 6 2002 /dev/dasda3 > > > > And then (checking major/minor numbers before) > > > > linvm01:~ # mknod -m 660 /dev/dasdaa b 94 104 > > linvm01:~ # ls -la /dev/dasdaa > > brw-rw---- 1 root root 94, 104 Apr 22 17:27 /dev/dasdaa > > linvm01:~ # chown root:disk /dev/dasdaa > > linvm01:~ # ls -la /dev/dasdaa > > brw-rw---- 1 root disk 94, 104 Apr 22 17:27 /dev/dasdaa > > > > Afterwards dasdformat runs without complains. > > > > linvm01:~ # dasdfmt -b 4096 -d ldl -f /dev/dasdaa > > Drive Geometry: 3338 Cylinders * 15 Heads = 50070 Tracks > > > > I am going to format the device /dev/dasdaa in the following way: > > Device number of device : 0x274 > > Labelling device : yes > > Disk label : LNX1 > > Disk identifier : 0X0274 > > Extent start (trk no) : 0 > > Extent end (trk no) : 50069 > > Compatible Disk Layout : no > > Blocksize : 4096 > > > > --->> ATTENTION! <<--- > > All data of that device will be lost. > > Type "yes" to continue, no will leave the disk untouched: yes > > Formatting the device. This may take a while (get yourself > a coffee). > > Finished formatting the device. > > Rereading the partition table... ok > > > > When I tried a mkfs it failed. > > > > linvm01:/ # /sbin/mkfs.ext3 -b 4096 /dev/dasdaa > > mke2fs 1.28 (31-Aug-2002) > > mkfs.ext3: No such device while trying to determine filesystem size > > linvm01:/ # ls -la /dev/dasdaa > > brw-rw---- 1 root disk 94, 104 Apr 22 17:27 /dev/dasdaa > > linvm01:/ # > > > > Thanks, > > > > Ken Vance > > Amadeus > > > > > ---------------------------------------------------------------------- > > For LINUX-390 subscribe / signoff / archive access instructions, > > send email to [EMAIL PROTECTED] with the message: INFO > LINUX-390 or > visit > > http://www.marist.edu/htbin/wlvindex?LINUX-390 > > > > ---------------------------------------------------------------------- > For LINUX-390 subscribe / signoff / archive access instructions, > send email to [EMAIL PROTECTED] with the message: INFO > LINUX-390 or visit > http://www.marist.edu/htbin/wlvindex?LINUX-390 > ============================================================================== If you are not an intended recipient of this e-mail, please notify the sender, delete it and do not read, act upon, print, disclose, copy, retain or redistribute it. 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