Revision c31ec06b lib/storage/bdev.py
| b/lib/storage/bdev.py | ||
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| 753 | 753 |
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_CheckResult(utils.RunCmd(["lvchange", "--addtag", text, self.dev_path])) |
| 755 | 755 |
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def _GetGrowthAvaliabilityExclStor(self): |
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"""Return how much the disk can grow with exclusive storage. |
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@rtype: float |
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@return: available space in Mib |
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""" |
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pvs_info = self.GetPVInfo([self._vg_name]) |
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if not pvs_info: |
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base.ThrowError("Cannot get information about PVs for %s", self.dev_path)
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std_pv_size = self._GetStdPvSize(pvs_info) |
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free_space = sum(pvi.free - (pvi.size - std_pv_size) |
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for pvi in pvs_info |
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if pvi.name in self.pv_names) |
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return free_space |
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def Grow(self, amount, dryrun, backingstore, excl_stor): |
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"""Grow the logical volume. |
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|
| ... | ... | |
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if dryrun: |
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cmd.append("--test")
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if excl_stor: |
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free_space = self._GetGrowthAvaliabilityExclStor() |
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# amount is in KiB, free_space in MiB |
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if amount > free_space * 1024: |
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base.ThrowError("Not enough free space to grow %s: %d MiB required,"
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" %d available", self.dev_path, amount / 1024, |
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free_space) |
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# Disk growth doesn't grow the number of spindles, so we must stay within |
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# our assigned volumes |
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pvlist = list(self.pv_names) |
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