Re: [PATCH 1/2] Only pass --update=super-minor when activating v0 metadata md arrays.

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Ack.

David Lehman <dlehman@xxxxxxxxxx> wrote:

> To minimize behavioral changes from 6.0 to 6.1 we track existing arrays'
> metadata version so we know which ones can take --update=super-minor. In
> Fedora we are discontinuing use of --update=super-minor.
>
> Resolves: rhbz#681136
> ---
>  storage/devices.py    |   25 ++++++++++++++++---------
>  storage/devicetree.py |    2 ++
>  2 files changed, 18 insertions(+), 9 deletions(-)
>
> diff --git a/storage/devices.py b/storage/devices.py
> index d21172b..7e4c56a 100644
> --- a/storage/devices.py
> +++ b/storage/devices.py
> @@ -2540,7 +2540,7 @@ class MDRaidArrayDevice(StorageDevice):
>  
>      def __init__(self, name, level=None, major=None, minor=None, size=None,
>                   memberDevices=None, totalDevices=None,
> -                 uuid=None, format=None, exists=None,
> +                 uuid=None, format=None, exists=None, metadataVersion=None,
>                   parents=None, sysfsPath=''):
>          """ Create a MDRaidArrayDevice instance.
>  
> @@ -2551,6 +2551,7 @@ class MDRaidArrayDevice(StorageDevice):
>              Keyword Arguments:
>  
>                  level -- the device's RAID level (a string, eg: '1' or 'raid1')
> +                metadataVersion -- the version of the device's md metadata
>                  parents -- list of member devices (StorageDevice instances)
>                  size -- the device's size (units/format TBD)
>                  uuid -- the device's UUID
> @@ -2582,7 +2583,11 @@ class MDRaidArrayDevice(StorageDevice):
>          self.chunkSize = 512.0 / 1024.0         # chunk size in MB
>          self.superBlockSize = 2.0               # superblock size in MB
>  
> -        self.createMetadataVer = "1.1"
> +        if not isinstance(metadataVersion, str):
> +            self.metadataVersion = "1.1"
> +        else:
> +            self.metadataVersion = metadataVersion
> +
>          # bitmaps are not meaningful on raid0 according to mdadm-3.0.3
>          self.createBitmap = self.level != 0
>  
> @@ -2667,9 +2672,12 @@ class MDRaidArrayDevice(StorageDevice):
>          s = StorageDevice.__str__(self)
>          s += ("  level = %(level)s  spares = %(spares)s\n"
>                "  members = %(memberDevices)s\n"
> -              "  total devices = %(totalDevices)s" %
> +              "  total devices = %(totalDevices)s"
> +              "  metadata version = %(metadataVersion)s" %
>                {"level": self.level, "spares": self.spares,
> -               "memberDevices": self.memberDevices, "totalDevices": self.totalDevices})
> +               "memberDevices": self.memberDevices,
> +               "totalDevices": self.totalDevices,
> +               "metadataVersion": self.metadataVersion})
>          return s
>  
>      @property
> @@ -2677,7 +2685,8 @@ class MDRaidArrayDevice(StorageDevice):
>          d = super(MDRaidArrayDevice, self).dict
>          d.update({"level": self.level,
>                    "spares": self.spares, "memberDevices": self.memberDevices,
> -                  "totalDevices": self.totalDevices})
> +                  "totalDevices": self.totalDevices,
> +                  "metadataVersion": self.metadataVersion})
>          return d
>  
>      def writeKS(self, f, preexisting=False, noformat=False, s=None):
> @@ -2905,9 +2914,7 @@ class MDRaidArrayDevice(StorageDevice):
>              member.setup(orig=orig)
>              disks.append(member.path)
>  
> -        update_super_minor = True
> -        if self.type == "mdcontainer" or self.type == "mdbiosraidarray":
> -            update_super_minor = False
> +        update_super_minor = self.metadataVersion in ("0", "0.90")
>  
>          mdraid.mdactivate(self.path,
>                            members=disks,
> @@ -2963,7 +2970,7 @@ class MDRaidArrayDevice(StorageDevice):
>          if getattr(self.format, "mountpoint", None) == bootmountpoint or \
>             getattr(self.format, "mountpoint", None) == "/boot/efi" or \
>             self.format.type == "prepboot":
> -            self.createMetadataVer = "1.0"
> +            self.metadataVersion = "1.0"
>  
>          # Bitmaps are not useful for swap and small partitions
>          if self.size < 1000 or self.format.type == "swap":
> diff --git a/storage/devicetree.py b/storage/devicetree.py
> index c9f84cb..63e8b8b 100644
> --- a/storage/devicetree.py
> +++ b/storage/devicetree.py
> @@ -1660,6 +1660,7 @@ class DeviceTree(object):
>              # try to name the array based on the preferred minor
>              md_info = devicelibs.mdraid.mdexamine(device.path)
>              md_path = md_info.get("device", "")
> +            md_metadata = md_info.get("metadata")
>              md_name = devicePathToName(md_info.get("device", ""))
>              if md_name:
>                  try:
> @@ -1695,6 +1696,7 @@ class DeviceTree(object):
>                                           minor=minor,
>                                           memberDevices=md_devices,
>                                           uuid=md_uuid,
> +                                         metadataVersion=md_metadata,
>                                           sysfsPath=sysfs_path,
>                                           exists=True)
>              md_array._addDevice(device)
> -- 
> 1.7.3.5
>
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> Anaconda-devel-list@xxxxxxxxxx
> https://www.redhat.com/mailman/listinfo/anaconda-devel-list

-- 
David Cantrell <dcantrell@xxxxxxxxxx>
Supervisor, Installer Engineering Team
Red Hat, Inc. | Honolulu, HI | UTC-10

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