On 05/07/2014 07:19 AM, Marc MERLIN wrote:
So have others found a good way to have an idea about how much space is
taken by each snapshot?

I've tried quota trees, but I'm not sure how to read the output, or if it's
correct (including the negative numbers some have mentioned). Are there
other options?

I think the main problem is that the shared data field is not working,
making it harder to know which blocks are only used in a given snapshot.


subvol                                          group         total    unshared
-------------------------------------------------------------------------------
backup/debian32                                 0/262       403.84G      -5.46G
backup/debian32_daily_20140504_00:03:01         0/3660      446.45G       0.00G
backup/debian32_daily_20140505_00:03:01         0/3687      431.11G       0.00G
backup/debian32_daily_20140506_00:03:00         0/3705      420.83G       0.00G
backup/debian32_daily_20140507_00:03:01         0/3724      411.87G       0.00G
backup/debian32_weekly_20140504_00:04:01        0/3675      446.45G       0.00G

backup/debian64                                 0/263       855.97G      -1.50G
backup/debian64_daily_20140504_00:03:01         0/3662      860.19G       0.00G
backup/debian64_daily_20140505_00:03:01         0/3690      859.32G       0.00G
backup/debian64_daily_20140506_00:03:00         0/3707      858.15G       0.00G
backup/debian64_daily_20140507_00:03:01         0/3726      857.47G       0.00G
backup/debian64_weekly_20140504_00:04:01        0/3676      860.19G       0.00G

backup/ubuntu                                   0/264       360.28G       0.00G
backup/ubuntu_daily_20140504_00:03:01           0/3664      364.53G       0.00G
backup/ubuntu_daily_20140505_00:03:01           0/3692      362.44G       0.00G
backup/ubuntu_daily_20140506_00:03:00           0/3709      360.91G       0.00G
backup/ubuntu_daily_20140507_00:03:01           0/3727      360.33G       0.00G
backup/ubuntu_weekly_20140504_00:04:01          0/3677      364.53G       0.00G



Quota's wont work quite right unless you have my most recent patch, give that a whirl and you should be good to go. Thanks,

Josef

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