On Fri, Sep 1, 2017 at 11:20 AM, Austin S. Hemmelgarn
wrote:
> No, that's not what I'm talking about. You always get one bcache device per
> backing device, but multiple bcache devices can use the same physical cache
> device (that is, backing devices map 1:1 to bcache
On 2017-09-01 11:00, Juan Orti Alcaine wrote:
El 1 sept. 2017 15:59, "Austin S. Hemmelgarn" > escribió:
If you are going to use bcache, you don't need separate caches for
each device (and in fact, you're probably better off sharing
On 2017-09-01 09:52, Juan Orti Alcaine wrote:
2017-08-31 13:36 GMT+02:00 Roman Mamedov :
If you could implement SSD caching in front of your FS (such as lvmcache or
bcache), that would work wonders for performance in general, and especially
for mount times. I have seen amazing
2017-08-31 13:36 GMT+02:00 Roman Mamedov :
> If you could implement SSD caching in front of your FS (such as lvmcache or
> bcache), that would work wonders for performance in general, and especially
> for mount times. I have seen amazing results with lvmcache (of just 32 GB) for
On 2017年08月31日 19:36, Roman Mamedov wrote:
On Thu, 31 Aug 2017 12:43:19 +0200
Marco Lorenzo Crociani wrote:
Hi,
this 37T filesystem took some times to mount. It has 47
subvolumes/snapshots and is mounted with
noatime,compress=zlib,space_cache. Is it normal,
On Thu, 31 Aug 2017 07:45:55 -0400
"Austin S. Hemmelgarn" wrote:
> If you use dm-cache (what LVM uses), you need to be _VERY_ careful and
> can't use it safely at all with multi-device volumes because it leaves
> the underlying block device exposed.
It locks the
On 2017-08-31 07:36, Roman Mamedov wrote:
On Thu, 31 Aug 2017 12:43:19 +0200
Marco Lorenzo Crociani wrote:
Hi,
this 37T filesystem took some times to mount. It has 47
subvolumes/snapshots and is mounted with
noatime,compress=zlib,space_cache. Is it normal, due
On Thu, 31 Aug 2017 12:43:19 +0200
Marco Lorenzo Crociani wrote:
> Hi,
> this 37T filesystem took some times to mount. It has 47
> subvolumes/snapshots and is mounted with
> noatime,compress=zlib,space_cache. Is it normal, due to its size?
If you could
On 2017-08-31 07:00, Hans van Kranenburg wrote:
On 08/31/2017 12:43 PM, Marco Lorenzo Crociani wrote:
Hi,
this 37T filesystem took some times to mount. It has 47
subvolumes/snapshots and is mounted with
noatime,compress=zlib,space_cache. Is it normal, due to its size?
Yes, unfortunately it
On 08/31/2017 12:43 PM, Marco Lorenzo Crociani wrote:
> Hi,
> this 37T filesystem took some times to mount. It has 47
> subvolumes/snapshots and is mounted with
> noatime,compress=zlib,space_cache. Is it normal, due to its size?
Yes, unfortunately it is. It depends on the size of the metadata
Hi,
this 37T filesystem took some times to mount. It has 47
subvolumes/snapshots and is mounted with
noatime,compress=zlib,space_cache. Is it normal, due to its size?
# time mount /data/R6HW
real1m32.383s
user0m0.000s
sys 0m1.348s
# time umount /data/R6HW
real0m2.562s
user
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