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Reviewed-by: Brian Behlendorf <[email protected]
Reviewed-by: Giuseppe Di Natale <[email protected]>>
Reviewed-by: George Melikov <[email protected]>
Reviewed-by: Haakan T Johansson <[email protected]>
Closes #5547
Closes #5543
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Adding additional entries to the efi conversion array will help prevent
the overwriting of the GPTs of disks with in-use file systems in more
cases. Most notably, this adds partition type 8300 "Linux filesystem"
(0FC63DAF-8483-4772-8E79-3D69D8477DE4), which is often used for ext4 and
btrfs, among others.
This commit itself does nothing to address the underlying problematic
behavior that check_slice() isn't called on partitions of an
unrecognized type, even when they contain a currently mounted file
system.
The additional entries were derived from these two resources:
https://en.wikipedia.org/wiki/GUID_Partition_Table
http://sourceforge.net/p/gptfdisk/code/ci/master/tree/parttypes.cc
Signed-off-by: ilovezfs <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Issue #4016
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Reviewed by: Alexander Eremin <[email protected]>
Reviewed by: Garrett D'Amore <[email protected]>
Reviewed by: Andrew Stormont <[email protected]>
Reviewed by: Richard Elling <[email protected]>
Approved by: Gordon Ross <[email protected]>
References:
https://www.illumos.org/issues/934
https://github.com/illumos/illumos-gate/commit/e21ea67
Ported-by: ilovezfs <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Issue #4016
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Currently, zpool online -e (dynamic vdev expansion) doesn't work on
whole disks because we're invoking ioctl(BLKRRPART) from userspace
while ZFS still has a partition open on the disk, which results in
EBUSY.
This patch moves the BLKRRPART invocation from the zpool utility to the
module. Specifically, this is done just before opening the device in
vdev_disk_open() which is called inside vdev_reopen(). This requires
jumping through some hoops to get to the disk device from the partition
device, and to make sure we can still open the partition after the
BLKRRPART call.
Note that this new code path is triggered on dynamic vdev expansion
only; other actions, like creating a new pool, are unchanged and still
call BLKRRPART from userspace.
This change also depends on API changes which are available in 2.6.37
and latter kernels. The build system has been updated to detect this,
but there is no compatibility mode for older kernels. This means that
online expansion will NOT be available in older kernels. However, it
will still be possible to expand the vdev offline.
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #808
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GPT's created by libefi set the HeaderSize attribute in the GPT
header to 512 -- size of the GPT header INCLUDING the 420 padding
bytes at the end. Most other tools set the size to 92 -- size of
the actual header itself excluding the padding. Most tools check
the recorded HeaderSize when verifying CRC, but gptfdisk hardcodes
92 and thus reports CRC verification problems for full-disk vdevs
created IE with `zpool create pool sdc`.
This commit changes libefi's behavior for GPT creation and also
fixes several edge cases where libefi's behavior was similar
(though in an incompatible manner) to gptfdisk. Libefi assumed
HeaderSize was always 512 even if the GPT recorded a different
value. Sanity checks of the GPT headersize read from disk were
added before applying checksum calculation -- this will prevent
segfault in cases of bogus on-disk values.
Zpools created with the resuling libefi are verified as correct
both by parted and gptfdisk. Also pool have been tested to
import correctly on ZFS on Linux as well as Solaris Express 11
livecd.
Signed-off-by: Zachary Bedell <[email protected]>
Signed-off-by: Brian Behlendorf <[email protected]>
Closes #344
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One of the neat tricks an autoconf style project is capable of
is allow configurion/building in a directory other than the
source directory. The major advantage to this is that you can
build the project various different ways while making changes
in a single source tree.
For example, this project is designed to work on various different
Linux distributions each of which work slightly differently. This
means that changes need to verified on each of those supported
distributions perferably before the change is committed to the
public git repo.
Using nfs and custom build directories makes this much easier.
I now have a single source tree in nfs mounted on several different
systems each running a supported distribution. When I make a
change to the source base I suspect may break things I can
concurrently build from the same source on all the systems each
in their own subdirectory.
wget -c http://github.com/downloads/behlendorf/zfs/zfs-x.y.z.tar.gz
tar -xzf zfs-x.y.z.tar.gz
cd zfs-x-y-z
------------------------- run concurrently ----------------------
<ubuntu system> <fedora system> <debian system> <rhel6 system>
mkdir ubuntu mkdir fedora mkdir debian mkdir rhel6
cd ubuntu cd fedora cd debian cd rhel6
../configure ../configure ../configure ../configure
make make make make
make check make check make check make check
This change also moves many of the include headers from individual
incude/sys directories under the modules directory in to a single
top level include directory. This has the advantage of making
the build rules cleaner and logically it makes a bit more sense.
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