Public bug reported:
(see #1262151 concerning the same issue with mdadm)
Ubuntu: saucy dmraid: 1.0.0.rc16-4.2ubuntu1
System: Acer S5-391
Contains two flash drives configured as (Intel) fakeraid. dmraid detects this
array exists, and attempts to assemble it, but the resulting block device name
contains an escaped space that makes them effectively unusable. The raid array
contains a GPT-formatted disk, and boots with UEFI.
dmraid -s
*** Group superset isw_foobar
--> Subset
name : isw_foobar_Aspire S5-391
...
dmraid -ay produces devices named like
/dev/mapper/isw_foobar_Aspire\x20S5-391
/dev/mapper/isw_foobar_Aspire\x20S5-391p[1-6]
These block devices correctly map to the correct disk blocks (eg,
mkfs.ext4 /dev/mapper/isw_foobar_Aspire\\x20S5-391p4 successfully
creates a new filesystem), but anything that attempts to pass the names
through appears to either fail to interpret the escapes or incorrectly
splits the device into two arguments.
`gparted` started without argument refuses to read the device
(/dev/mapper/isw_foobar_Aspire does not exist)
`gparted /dev/mapper/isw_foobar_Aspire\\x20S5-391` correct shows the partitions
on the disk, but attempts to launch further tools (eg, create an ext4
filesystem in an existing partition), fails with non-existent device errors
`ubiquity` shows the partitions (providing `dmraid -ay` was run first), but
similarly fails to actually create a filesystem or write anything into it
I was eventually able to install this system using `mdadm` to mount the
disks and `debootstrap` to install the base system (since ubiquity will
not work with md devices), but the experience was not at all fun.
Consequently the extra information/logs I can provide is probably a bit
limited as I'd rather not start messing around with the RAID again if I
can possibly help it.
** Affects: dmraid (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1262161
Title:
dmraid failure when array name contains spaces
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