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From 3a64795bdb94f525b55375bd89e7e5c8bc3a8921 Mon Sep 17 00:00:00 2001
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From: Vojtech Trefny <vtrefny@redhat.com>
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Date: Wed, 17 Aug 2022 14:24:21 +0200
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Subject: [PATCH 1/3] Use MD populator instead of DM to handle DDF RAID format
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---
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blivet/formats/dmraid.py | 2 +-
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blivet/formats/mdraid.py | 2 +-
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2 files changed, 2 insertions(+), 2 deletions(-)
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diff --git a/blivet/formats/dmraid.py b/blivet/formats/dmraid.py
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index 2ba9dcfe5..ce15905dc 100644
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--- a/blivet/formats/dmraid.py
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+++ b/blivet/formats/dmraid.py
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@@ -43,7 +43,7 @@ class DMRaidMember(DeviceFormat):
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#
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# One problem that presents is the possibility of someone passing
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# a dmraid member to the MDRaidArrayDevice constructor.
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- _udev_types = ["adaptec_raid_member", "ddf_raid_member",
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+ _udev_types = ["adaptec_raid_member",
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"hpt37x_raid_member", "hpt45x_raid_member",
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"isw_raid_member",
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"jmicron_raid_member", "lsi_mega_raid_member",
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diff --git a/blivet/formats/mdraid.py b/blivet/formats/mdraid.py
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index 41ddef810..4aa3f3b07 100644
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--- a/blivet/formats/mdraid.py
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+++ b/blivet/formats/mdraid.py
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@@ -41,7 +41,7 @@ class MDRaidMember(DeviceFormat):
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""" An mdraid member disk. """
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_type = "mdmember"
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_name = N_("software RAID")
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- _udev_types = ["linux_raid_member"]
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+ _udev_types = ["linux_raid_member", "ddf_raid_member"]
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parted_flag = PARTITION_RAID
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_formattable = True # can be formatted
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_supported = True # is supported
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From 3ea946fa7ae18dbc413c17f1cd5a6eb23aaf1ea8 Mon Sep 17 00:00:00 2001
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From: Vojtech Trefny <vtrefny@redhat.com>
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Date: Wed, 17 Aug 2022 14:24:58 +0200
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Subject: [PATCH 2/3] Do not read DDF RAID UUID from udev
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The UUID we get from udev isn't the array UUID, we need to get
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that using libblockdev.
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---
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blivet/populator/helpers/mdraid.py | 16 ++++++++++------
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1 file changed, 10 insertions(+), 6 deletions(-)
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diff --git a/blivet/populator/helpers/mdraid.py b/blivet/populator/helpers/mdraid.py
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index 3479e3f78..a7602d209 100644
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--- a/blivet/populator/helpers/mdraid.py
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+++ b/blivet/populator/helpers/mdraid.py
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@@ -98,17 +98,21 @@ class MDFormatPopulator(FormatPopulator):
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def _get_kwargs(self):
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kwargs = super(MDFormatPopulator, self)._get_kwargs()
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- try:
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- # ID_FS_UUID contains the array UUID
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- kwargs["md_uuid"] = udev.device_get_uuid(self.data)
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- except KeyError:
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- log.warning("mdraid member %s has no md uuid", udev.device_get_name(self.data))
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+ kwargs["biosraid"] = udev.device_is_biosraid_member(self.data)
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+ if not kwargs["biosraid"]:
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+ try:
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+ # ID_FS_UUID contains the array UUID
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+ kwargs["md_uuid"] = udev.device_get_uuid(self.data)
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+ except KeyError:
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+ log.warning("mdraid member %s has no md uuid", udev.device_get_name(self.data))
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+ else:
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+ # for BIOS RAIDs we can't get the UUID from udev, we'll get it from mdadm in `run` below
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+ kwargs["md_uuid"] = None
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# reset the uuid to the member-specific value
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# this will be None for members of v0 metadata arrays
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kwargs["uuid"] = udev.device_get_md_device_uuid(self.data)
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- kwargs["biosraid"] = udev.device_is_biosraid_member(self.data)
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return kwargs
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def run(self):
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From 4e766bb6f2bb487003ed4fa9b8415760c436af81 Mon Sep 17 00:00:00 2001
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From: Vojtech Trefny <vtrefny@redhat.com>
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Date: Thu, 17 Mar 2022 15:48:25 +0100
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Subject: [PATCH 3/3] Do not crash when a disk populator doesn't return kwargs
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This happens when trying to use Blivet on a system with a BIOS
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RAID without dmraid installed. Because we don't fully support
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BIOS RAIDs using MD the MDBiosRaidDevicePopulator helper fails
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to get kwargs for the BIOS RAID "disk" and populate fails.
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---
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blivet/populator/helpers/disk.py | 2 ++
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1 file changed, 2 insertions(+)
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diff --git a/blivet/populator/helpers/disk.py b/blivet/populator/helpers/disk.py
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index 2e5026f7e..9db7b810d 100644
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--- a/blivet/populator/helpers/disk.py
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+++ b/blivet/populator/helpers/disk.py
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@@ -68,6 +68,8 @@ def run(self):
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log_method_call(self, name=name)
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kwargs = self._get_kwargs()
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+ if not kwargs:
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+ return
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device = self._device_class(name, **kwargs)
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self._devicetree._add_device(device)
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return device
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