LVM Has A New Disk Cache Feature

phoronix

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#1

LVM Has A New Disk Cache Feature

23 May 2014, 04:10 AM

Phoronix: LVM Has A New Disk Cache Feature

Complementing BCache, Flashcache, and DM-Cache, the Logical Volume Manager (LVM) has another new cache method for Linux systems...

LVM Has A New Disk Cache Feature - Phoronix

http://www.phoronix.com/vr.php?view=MTY5ODE

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gilboa

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Join Date: Oct 2006

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25 May 2014, 02:32 AM

To be honest, this looks like the best option for servers and workstation that already use LVM - some combined with software (MD) or hardware RAID.
However, what I'm missing in this article is the implications of losing the SSD - especially if you combined the SSID in fairly resilient RAID6/RAID10 VG.

oVirt-HV1: Intel S2600C0, 2xE5-2658V2, 128GB, 8x2TB, 4x480GB SSD, GTX1080 (to-VM), Dell U3219Q, U2415, U2412M.
oVirt-HV2: Intel S2400GP2, 2xE5-2448L, 120GB, 8x2TB, 4x480GB SSD, GTX730 (to-VM).
oVirt-HV3: Gigabyte B85M-HD3, E3-1245V3, 32GB, 4x1TB, 2x480GB SSD, GTX980 (to-VM).
Devel-2: Asus H110M-K, i5-6500, 16GB, 3x1TB + 128GB-SSD, F33.
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