Question about setup-storage

[Andreas Sindermann]

Michael Tautschnig writes:
 > Hi Andreas,
 > 
 > [...]
 > > the old *setup_harddisk* created the following partition table:
 > >=20
 > >    Device Boot      Start         End      Blocks   Id  System
 > > /dev/sda1   *           1        1275    10241406   83  Linux
 > > /dev/sda2            1276        1530     2048287+   5  Extended
 > > /dev/sda5            1276        1530     2048256   82  Linux swap / Sola=
 > ris
 > >=20
 > > Additionally on some of our machines a /scratch partition starting at
 > > cylinder 1531 was established:
 > >=20
 > > /dev/sda3            1531       30401   231906307+  83  Linux
 > >=20
 > >=20
 > >=20
 > > In contrast to that the new setup-storage command creates a somewhat
 > > different partition table.
 > >=20
 > > disk_config disk1 disklabel:msdos bootable:1 fstabkey:uuid
 > > primary  /        10000    ext3  rw,noatime,errors=3Dremount-ro
 > > logical  swap      2000    swap  rw
 > >=20
 > > leads to partitions which are 1 cylinder shorter than before:
 > >=20
 > >    Device Boot      Start         End      Blocks   Id  System
 > > /dev/sda1   *           1        1274    10233373+  83  Linux
 > > /dev/sda2            1275        1528     2040255    f  W95 Ext'd (LBA)
 > > /dev/sda5            1275        1528     2040223+  82  Linux swap / Sola=
 > ris
 > >=20
 > >=20
 > > How should the configuration file for setup-storage look like to
 > > reproduce the original partition table?
 > >=20
 > > The man page doesn't mention 'c' for cylinders as size specification.
 > >=20
 > 
 > Cylinders aren't really useful these days as the numbers you get don't rela=
 > te to
 > anything really physically existing. Therefore I don't see much use in
 > implementing this unit of measurement. If you need a really precise
 > specification you may go to the level of bytes (use parted -s /dev/bla -s u=
 > nit B
 > print to obtain that information from one of the existing systems).
 > 
 > As setup-storage has been implemented from scratch, the details of computin=
 > g the
 > size, which involve rounding to boundaries, may show subtle differences with
 > respect to the results of setup_harddisks. But, just curious, why does that
 > small difference matter for you?

These scratch partitions should be preserved if possible...

I'll use parted -s instead of setup-storage...

Thanks for your answer.

Andreas


 > 
 > Best regards,
 > Michael
 > 
 > 
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