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14.06.2017 · The offsite QNAP would stay RAID6. If local QNAP's drive fails, we should be fine with starting new RAID and just re-syncing from offsite (fiber link). Specifically with QNAP (or this model of it), I never had the pleasure of a freshly built RAID. Should I expect it to allow me to set the block and stripe sizes?

RAID 10 is a combination of RAID 1 (mirroring) and RAID 0 (striping), without parity. RAID 10 is a stripe across a number of disks to provide fault tolerance and high speed data transfer. The storage capacity of a RAID 10 group is equal to the size of the disk with the smallest capacity in the array times (the number of hard disks in the array/2).

Veeam recommends 128-256KB RAID stripe size to more closely match workload. Doing this can reduce IOPS from backup activities in a few times ...

For QNAP's implementations of RAID 5, they do show on their site a ... Protect your data - RAID 1, but the usable size is the same as one single disk only.

17.09.2015 · This best practice guide provides general recommendation for configuring QNAP NAS storage systems for best performance. Purpose: This best practice is intended for QNAP users, partners, and customers who are considering using QNAP NAS systems. In this best practice we will provide recommendation ...

I have two 512GB SSD drives for cache acceleration. Can someone provide me with some feedback as to the optimum block stripe size? Thanks.

Many storage arrays use a default stripe size around 32 or 64k. This is because they have to be a general purpose solution able to manage at ...

Dec 29, 2017 · There is the "stripe element" size (often referred to as "strip" size) which is the per drive size. Then there is the "stripe" size which is equal to the strip size x the number of drives in the stripe. In your case, a 4 disk RAID 10, it would be strip size x 2 because of the mirroring.

Based on QNAP's Flexible Volume Architecture, the Storage Manager ... RAID 10 is a stripe across a number of disks to provide fault tolerance and high speed.

We are using a 24bay TS-2483XU-RP-E2136-16G with 24x12 TB WD Enterprise Sata drives in Raid6 + Hotspare as a veeam backup repository. I created a block based lun but my only options are 512b or 4k for block size.. for a veeam repo there is often a 128/256k block size recommended.

Sep 17, 2015 · This best practice guide provides general recommendation for configuring QNAP NAS storage systems for best performance. Purpose: This best practice is intended for QNAP users, partners, and customers who are considering using QNAP NAS systems.

By default the QNAP's AJAX based volume management wizard uses a 64KB chunk size (aka cluster or block size) when it creates a RAID0 volume. I ...

29.12.2009 · I am using Backup Exec 12 and have setup a Backup-to-Disk folder that points to a share on the NAS. Any jobs that are run against the NAS device end up failing a few hours in. It turns out that Backup Exec needs the stripe size of the RAID array to be 64K. Is there any way to manually set the stripe size of a QNAP NAS?

RAID 10 is a combination of RAID 1 (mirroring) and RAID 0 (striping), without parity. RAID 10 is a stripe across a number of disks to provide fault tolerance and high speed data transfer. The storage capacity of a RAID 10 group is equal to the size of the disk with the smallest capacity in the array times (the number of hard disks in the array/2).

Should I expect it to allow me to set the block and stripe sizes? I don't have spare drives on it to test with, and plan to do this tonight ideally. Also, what ...

Nov 27, 2007 · The stripe size also defines the amount of storage capacity that will at least be occupied on a RAID partition when you write a file. For example, if you selected a 64 kB stripe size and you store ...

31.12.2017 · An array "stripe" is very much like a file system cluster, in that it can only hold a single file, or portion of a single file. If it is strip size that the controller uses, in your case (120KB - 330KB average file size) I would go with 64K which will give you a 128K stripe size.

Dec 21, 2009 · I am using Backup Exec 12 and have setup a Backup-to-Disk folder that points to a share on the NAS. Any jobs that are run against the NAS device end up failing a few hours in. It turns out that Backup Exec needs the stripe size of the RAID array to be 64K. Is there any way to manually set the stripe size of a QNAP NAS?

RAID Calculator for QNAP. ... Both in total array size and in actual useable disk space. ... Raid 5 - Disk Striping with Parity - Minimum 3 Disks

Apr 11, 2017 · I ended up rebuilding that QNAP with RAID0 and 64K 'inode' size. Can't say it helped too much. Backup crashed down to 5MB/s after five days, 72% through. I killed it. Rebuilding that file repository onto smaller vdisks now.