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Bug#775395: marked as done (partman-zfs in d-i jessie image does not create grub-compatible /boot ZFS mirror)

Your message dated Sun, 08 Mar 2015 22:05:42 +0000
with message-id <E1YUjKQ-0001Sa-0U@franck.debian.org>
and subject line Bug#775395: fixed in partman-zfs 43
has caused the Debian Bug report #775395,
regarding partman-zfs in d-i jessie image does not create grub-compatible /boot ZFS mirror
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

(NB: If you are a system administrator and have no idea what this
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immediately.)


-- 
775395: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=775395
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: partman-zfs
Version: 42
Severity: grave
Tags: d-i
Justification: renders package unusable for ZFS-based install

(which is probably the reason someone is trying Debian/kFreeBSD .. to
use ZFS)

Dear Maintainer,

Tried the 2015-01-12 nightly mini.iso Jessie image.  In the partition
setup via "expert" install, selected all disks to use with ZFS --
partitioned 3 drives into three partitions (see below for scheme) --
then proceeded to create two ZFS pools from these, a "b" pool from
partition 1 as a mirror across three drives, then a "z" pool from
partition 2 as raidz across three drives.  It happily did all this,
installed the base system, etc...

--
root@bear:~# parted /dev/da0
GNU Parted 3.2
Using /dev/da0
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print
Model: VMware   Virtual disk     (scsi)
Disk /dev/da0: 42.9GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:

Number  Start   End     Size    File system  Name  Flags
 3      17.4kB  1049kB  1031kB                     bios_grub
 1      1049kB  512MB   511MB
 2      512MB   42.9GB  42.4GB  zfs

(parted)
--

But installing Grub failed with "unknown filesystem".  In
troubleshooting the issue, it seems grub2 (version currently is
2.02~beta2-19) does not recognize the "feature@lz4_compress" option (and
had been previously reported) of the ZFS pools that kFreeBSD kernel 10.1
creates. And there's no way to disable it once the pool is created.

What I ended up doing is recreating everything again, this time
interrupting and adding the "-d" flag to the pool creation command (done
manually) to leave all the feature@* options disabled for building the
system.

This worked.  Installation of Grub as the boot loader was successful and
the system booted using /boot (and /lib/modules) as volumes on the "b"
pool, which is a simple ZFS mirror.

Please consider adding the "-d" flag in partman-zfs for Jessie, i.e.,

 # zpool create -d "pool" <dev-spec>

And then perhaps turning on feature@ flags that are known to work with
grub for booting.

Here's what my pools look like right now and all is well:

--
root@bear:~# zpool status
  pool: b
 state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
        still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
        the pool may no longer be accessible by software that does not
support
        the features. See zpool-features(7) for details.
  scan: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        b           ONLINE       0     0     0
          mirror-0  ONLINE       0     0     0
            da0p1   ONLINE       0     0     0
            da1p1   ONLINE       0     0     0
            da2p1   ONLINE       0     0     0

errors: No known data errors

  pool: z
 state: ONLINE
status: Some supported features are not enabled on the pool. The pool can
        still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
        the pool may no longer be accessible by software that does not
support
        the features. See zpool-features(7) for details.
  scan: none requested
config:

        NAME        STATE     READ WRITE CKSUM
        z           ONLINE       0     0     0
          raidz1-0  ONLINE       0     0     0
            da0p2   ONLINE       0     0     0
            da1p2   ONLINE       0     0     0
            da2p2   ONLINE       0     0     0

errors: No known data errors

root@bear:~# zpool get all b
NAME  PROPERTY                       VALUE                       SOURCE
b     size                           480M                        -
b     capacity                       12%                         -
b     altroot                        -                           default
b     health                         ONLINE                      -
b     guid                           13665561835741433528        default
b     version                        -                           default
b     bootfs                         -                           default
b     delegation                     on                          default
b     autoreplace                    off                         default
b     cachefile                      -                           default
b     failmode                       wait                        default
b     listsnapshots                  off                         default
b     autoexpand                     off                         default
b     dedupditto                     0                           default
b     dedupratio                     1.00x                       -
b     free                           420M                        -
b     allocated                      60.2M                       -
b     readonly                       off                         -
b     comment                        -                           default
b     expandsize                     0                           -
b     freeing                        0                           default
b     fragmentation                  -                           -
b     leaked                         0                           default
b     feature@async_destroy          disabled                    local
b     feature@empty_bpobj            disabled                    local
b     feature@lz4_compress           disabled                    local
b     feature@multi_vdev_crash_dump  disabled                    local
b     feature@spacemap_histogram     disabled                    local
b     feature@enabled_txg            disabled                    local
b     feature@hole_birth             disabled                    local
b     feature@extensible_dataset     disabled                    local
b     feature@embedded_data          disabled                    local
b     feature@bookmarks              disabled                    local
b     feature@filesystem_limits      disabled                    local

root@bear:~# df -h
Filesystem      Size  Used Avail Use% Mounted on
z/root           77G  2.1G   75G   3% /
linprocfs       4.0K  4.0K     0 100% /proc
fdescfs         1.0K  1.0K     0 100% /dev/fd
tmpfs           4.8G  516K  4.8G   1% /run
tmpfs           5.0M  4.0K  5.0M   1% /run/lock
tmpfs           1.6G  4.0K  1.6G   1% /run/shm
b/boot          406M   18M  388M   5% /boot
b/modules       431M   43M  388M  10% /lib/modules

Regards,
Mike

-- 
Michael Milligan                                   -> milli@acmeps.com
Acme Professional Services LLC

--- End Message ---
--- Begin Message --- 
Source: partman-zfs
Source-Version: 43

We believe that the bug you reported is fixed in the latest version of
partman-zfs, which is due to be installed in the Debian FTP archive.

A summary of the changes between this version and the previous one is
attached.

Thank you for reporting the bug, which will now be closed.  If you
have further comments please address them to 775395@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Steven Chamberlain <steven@pyro.eu.org> (supplier of updated partman-zfs package)

(This message was generated automatically at their request; if you
believe that there is a problem with it please contact the archive
administrators by mailing ftpmaster@ftp-master.debian.org)


-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

Format: 1.8
Date: Fri, 27 Feb 2015 23:50:29 +0000
Source: partman-zfs
Binary: partman-zfs
Architecture: source
Version: 43
Distribution: unstable
Urgency: medium
Maintainer: Debian Install System Team <debian-boot@lists.debian.org>
Changed-By: Steven Chamberlain <steven@pyro.eu.org>
Description:
 partman-zfs - Add to partman support for ZFS (udeb)
Closes: 775395
Changes:
 partman-zfs (43) unstable; urgency=medium
 .
   * Do not enable zpool features by default, except those that are
     read-only compatible, and lz4_compress which is supported by
     grub-pc >> 2.02~ (Closes: #775395)
   * Add myself to Uploaders
Checksums-Sha1:
 f023897e596afb32303ede76910fdab10042640a 1347 partman-zfs_43.dsc
 beb55057fc66bab779aeff3431ffcbf1c64f3c0e 259728 partman-zfs_43.tar.xz
Checksums-Sha256:
 b393f9f335c7bbb34ba93a5a2775c7ae75ff5659e913da1184482274bed6d051 1347 partman-zfs_43.dsc
 5e83a9c6e2fd1b7c2e937dfee30e1b8dca6dab4df330b7c1160830014ef44226 259728 partman-zfs_43.tar.xz
Files:
 a4ae9fcfcc5a8b798812b1a6a959a904 1347 debian-installer standard partman-zfs_43.dsc
 4b4865df96e3740540858ca6cc8f0e14 259728 debian-installer standard partman-zfs_43.tar.xz

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--- End Message ---
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