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Bug#818586: marked as done (disk-detect/control: Improve harddrive detection dependency on s390x)

Your message dated Sun, 03 Apr 2016 09:51:33 +0000
with message-id <E1amegv-0005Tr-0w@franck.debian.org>
and subject line Bug#818586: fixed in hw-detect 1.117
has caused the Debian Bug report #818586,
regarding disk-detect/control: Improve harddrive detection dependency on s390x
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.)


-- 
818586: http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=818586
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: hw-detect
Version: 1.116
Severity: important
Tags: d-i

On Linux on z Systems, there are two major disk storage environments,
the direct-attached storage disk (DASD) and SCSI over Fibre-Channel.

There are the s390-dasd and s390-zfcp d-i modules to configure and
enable DASDs and FCP devices.  Note that on s390x, disks are not
available by default to Linux and must be enabled in advance.

The s390-dasd and s390-zfcp both provide the harddrive-detection
dependency and, thus, each could fulfill the dependency to silenty
ignore the other.  That behavior does not allow to mix DASDs and
SCSI disk on single installation (except you call both manually,
for example, in the expert mode).

To improve and provide a "guided" flow, I have split the harddrive
detection dependency for s390-dasd and s390-zfcp as follows:

- s390-dasd provides harddrive-detection-dasd
- s390-zfcp provides harddrive-detection-zfcp

disk-detect depends on
  -> harddrive-detection-dasd
  -> harddrive-detection-zfcp

and continues to provide the harddrive-detection.

With this split, the guided installation will install disk-detect to
solve the harddrive-detection dependency.  In turn, disk-detect will
then rely on the s390-dasd and s390-zfcp d-i modules to provide DASD
and FC-attached SCSI disks.  If both modules fail, the user perceives
the default disk-detect behavior, for example, users might configure
iSCSI.

The other nice benefit of this dependency split is the seamlessly
enablement of multipath with disk-detect (through preseeding).
For s390, multipathing should be always considered when SCSI is used.
I probably will extend the s390-zfcp module to set disk-detect's
multipath debconf variable for usability.


I will attach a patch with changelog when I have received the bug
number for report.  For s390-dasd and s390-zfcp, I will also open
bug reports to implement the dependency chain.

Feedback is welcome.

Thanks and kind regards,
  Hendrik

-- 
Hendrik Brueckner
brueckner@linux.vnet.ibm.com      | IBM Deutschland Research & Development GmbH
Linux on z Systems Development    | Schoenaicher Str. 220, 71032 Boeblingen

--- End Message ---
--- Begin Message --- 
Source: hw-detect
Source-Version: 1.117

We believe that the bug you reported is fixed in the latest version of
hw-detect, 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 818586@bugs.debian.org,
and the maintainer will reopen the bug report if appropriate.

Debian distribution maintenance software
pp.
Philipp Kern <pkern@debian.org> (supplier of updated hw-detect 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: Sun, 03 Apr 2016 11:40:24 +0200
Source: hw-detect
Binary: hw-detect ethdetect disk-detect driver-injection-disk-detect archdetect
Architecture: source s390x all
Version: 1.117
Distribution: unstable
Urgency: medium
Maintainer: Debian Install System Team <debian-boot@lists.debian.org>
Changed-By: Philipp Kern <pkern@debian.org>
Description:
 archdetect - Hardware architecture detector (udeb)
 disk-detect - Detect disk drives (udeb)
 driver-injection-disk-detect - Detect OEM driver injection disks (udeb)
 ethdetect  - Detect network hardware and load kernel drivers for it (udeb)
 hw-detect  - Detect hardware and load kernel drivers for it (udeb)
Closes: 818586
Changes:
 hw-detect (1.117) unstable; urgency=medium
 .
   * Team upload
 .
   [ Hendrik Brueckner ]
   * Improve and split harddrive detection into DASD and SCSI dependency
     on s390x (Closes: #818586)
Checksums-Sha1:
 3d81ab02a1b5263423192de65bf8355a10a38c35 1675 hw-detect_1.117.dsc
 7e21821adabbfb94e7265f22c0e70d3d82be2941 181132 hw-detect_1.117.tar.xz
 87df8c9d3dd871067653692d581c834b22f1de58 2458 archdetect_1.117_s390x.udeb
 8df11234c105fb936ee4a27fc1f0a35d5c442e27 24316 disk-detect_1.117_s390x.udeb
 e37e76911fec8e73779900aac11aeb9026ab7c4f 13494 driver-injection-disk-detect_1.117_all.udeb
 92ddc39d04f9202689bfef6cd6b4b0421e06bd21 30922 ethdetect_1.117_all.udeb
 1e1da22d903a38f843d0f018604565e74db7cd66 115260 hw-detect_1.117_s390x.udeb
Checksums-Sha256:
 7101c0f3ea59c35ff5170fa3ff7e35aa45dd5de201450cb251c2fde1dbb5c7b7 1675 hw-detect_1.117.dsc
 9f6f281e0eb621bfae7d97294abdb7ea5aedded5dd137104f5b882aaecf39831 181132 hw-detect_1.117.tar.xz
 5534ef81b55ddd443e97f403a38ac93b4cf1ac8c3eea16ad9f950267a0da4098 2458 archdetect_1.117_s390x.udeb
 b617d8166b8b63671db08e6f0b29ab950bb5ec1b5c8fad538b1896ca4d133f77 24316 disk-detect_1.117_s390x.udeb
 acbd6459037930c46ef89078fa355c0a984495c95773bfe3c0ad88706b095569 13494 driver-injection-disk-detect_1.117_all.udeb
 88388e6aa72e90b4af95ecb2a5e5dd5f49071ea891283a52b6709f8c294b8fee 30922 ethdetect_1.117_all.udeb
 b3170046db83a81c4325af58713c075cf9b6bcc216498c8e41b126eca06cee49 115260 hw-detect_1.117_s390x.udeb
Files:
 067ebc4726470f48838c477d9f362c59 1675 debian-installer standard hw-detect_1.117.dsc
 bac4444871a5ad23bb151ca3f51bd4a3 181132 debian-installer standard hw-detect_1.117.tar.xz
 0f8c6d38dd17e965250b9161d533d716 2458 debian-installer standard archdetect_1.117_s390x.udeb
 09c653fcaa80e7735875d777082177b5 24316 debian-installer optional disk-detect_1.117_s390x.udeb
 a8dd0a6abc29a2fbd3098a6f1a906743 13494 debian-installer optional driver-injection-disk-detect_1.117_all.udeb
 8c0dbf9f928ebfa9fc2b344c853b32bd 30922 debian-installer optional ethdetect_1.117_all.udeb
 9e61aaeaaa06991e938a29dad99f08fc 115260 debian-installer standard hw-detect_1.117_s390x.udeb

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--- End Message ---
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