RAID1 size issue with PDC20265

[Heinz Mauelshagen]

On Tue, Mar 15, 2005 at 03:59:48PM -0800, paul moore wrote:
> 
> Hi Heinz,
> 
>  Hmm, looks like I was right. His extended partition runs past the end of
> the drive. This is caught by RC6 and is causing his logical partitions
> to not show up. From what I can see, it looks like his partitions will
> come back when the half drive size problem is fixed.
>  On a side note, what do you think of an error message for the partition
> overrun error. Do you want me to throw something together or do you think
> it is worth it?

Well, based on the pdc size fix, t makes sense to through an error
if it ever happens again.
Cook up a patch if you like too :)

Heinz

> 
> 
>  Defeating the Tower of Babble one bit at a time B~)
>   Paul
> 
> --- Alex Ryabtsev <alxsey at hotmail.com> wrote:
> 
> > Hi Heinz,
> > 
> > On Mon, 2005-03-14 at 15:01 +0100, Heinz Mauelshagen wrote:
> > 
> > > can you send your partiton table output
> > > (ie, fdisk -l /dev/mapper/pdc_bahdfcgbc)
> > 
> > here it is (for rc6):
> > ==========================================================================
> > Disk /dev/mapper/pdc_bahdfcgbc: 100.0 GB, 100024778752 bytes
> > 255 heads, 63 sectors/track, 12160 cylinders
> > Units = cylinders of 16065 * 512 = 8225280 bytes
> > 
> >                     Device Boot      Start         End      Blocks   Id
> > System
> > /dev/mapper/pdc_bahdfcgbc1   *           1         523     4200966    b
> > W95 FAT32
> > /dev/mapper/pdc_bahdfcgbc2             524         530       56227+  83
> > Linux
> > /dev/mapper/pdc_bahdfcgbc3             531        2025    12008587+   b
> > W95 FAT32
> > /dev/mapper/pdc_bahdfcgbc4            2026       24321   179092620    5
> > Extended
> > /dev/mapper/pdc_bahdfcgbc5            2026        2524     4008186   83
> > Linux
> > /dev/mapper/pdc_bahdfcgbc6            2525       12008    76180198+  83
> > Linux
> > ==========================================================================
> > although here is the /dev/mapper listing:
> > ==========================================================================
> > total 0
> > crw-rw----  1 root root  10, 63 Mar 15 05:20 control
> > brw-r-----  1 root root 254,  0 Mar 15 05:20 pdc_bahdfcgbc
> > brw-r-----  1 root root 254,  1 Mar 15 05:20 pdc_bahdfcgbc1
> > brw-r-----  1 root root 254,  2 Mar 15 05:20 pdc_bahdfcgbc2
> > brw-r-----  1 root root 254,  3 Mar 15 05:20 pdc_bahdfcgbc3
> > ==========================================================================
> > once again, output of dmraid -rD (rc6, dumps are attached):
> > ==========================================================================
> > /dev/hde: pdc, "pdc_bahdfcgbc", mirror, ok, 195360896 sectors, data@ 0
> > /dev/hdg: pdc, "pdc_bahdfcgbc", mirror, ok, 195360896 sectors, data@ 0
> > ==========================================================================
> > 
> > > and your metadata in a tarball (ie, "dmraid -rD;
> > > tar jcvf pdc-raid1-Alex_Ryabtsevin.tar.bz2 *dat *size *offset") ?
> > > Use 1.0.0.rc6 to run "dmraid -rD" so that we get the *size files as well
> > > (rc5f didn't support creating those).
> > 
> > And as a reference, here is fdisk and /dev/mapper listing from rc5:
> > ==========================================================================
> > Disk /dev/mapper/pdc_fiaaeaab: 100.0 GB, 100024778752 bytes
> > 255 heads, 63 sectors/track, 12160 cylinders
> > Units = cylinders of 16065 * 512 = 8225280 bytes
> > 
> >                    Device Boot      Start         End      Blocks   Id
> > System
> > /dev/mapper/pdc_fiaaeaab1   *           1         523     4200966    b
> > W95 FAT32
> > /dev/mapper/pdc_fiaaeaab2             524         530       56227+  83
> > Linux
> > /dev/mapper/pdc_fiaaeaab3             531        2025    12008587+   b
> > W95 FAT32
> > /dev/mapper/pdc_fiaaeaab4            2026       24321   179092620    5
> > Extended
> > /dev/mapper/pdc_fiaaeaab5            2026        2524     4008186   83
> > Linux
> > /dev/mapper/pdc_fiaaeaab6            2525       12008    76180198+  83
> > Linux
> > ==========================================================================
> > total 0
> > crw-rw----  1 root root  10, 62 Mar 15 01:40 control
> > brw-r-----  1 root root 253,  0 Jan  5 20:53 pdc_fiaaeaab
> > brw-r-----  1 root root 253,  1 Jan  5 20:53 pdc_fiaaeaab1
> > brw-r-----  1 root root 253,  2 Jan  5 20:53 pdc_fiaaeaab2
> > brw-r-----  1 root root 253,  3 Jan  5 20:53 pdc_fiaaeaab3
> > brw-r-----  1 root root 253,  4 Jan  5 20:53 pdc_fiaaeaab5
> > brw-r-----  1 root root 253,  5 Jan  5 20:53 pdc_fiaaeaab6
> > ==========================================================================
> > 
> > 
> > > Patch vs. rc6 to adress the size issue:
> > 
> > I did not tried this patch yet, since, as I mentioned - I am having name
> > changes issue, so have to proceed here carefully, sorry for hold up
> > here.
> > 
> > Thank you for your efforts.
> > 
> > Regards,
> > Alex
> > > _______________________________________________
> > Ataraid-list mailing list
> > Ataraid-list at redhat.com
> > https://www.redhat.com/mailman/listinfo/ataraid-list
> 
> 
> 
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Heinz Mauelshagen                                 Red Hat GmbH
Consulting Development Engineer                   Am Sonnenhang 11
                                                  56242 Marienrachdorf
                                                  Germany
Mauelshagen at RedHat.com                            +49 2626 141200
                                                       FAX 924446
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