ace21 Posted April 19, 2020 Share #1 Posted April 19, 2020 here is the result after the 2% passed Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1] md2 : active raid5 sdd3[3] sdc3[2] sdb3[1] sda3[0] 17567101632 blocks super 1.2 level 5, 64k chunk, algorithm 2 [4/4] [UUUU] [>....................] resync = 3.6% (211587552/5855700544) finish=3857.8min speed=24383K/sec md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3] 2097088 blocks [12/4] [UUUU________] md0 : active raid1 sda1[0] sdb1[1] sdc1[2] sdd1[3] 2490176 blocks [12/4] [UUUU________] unused devices: <none> during 0-1% was speed=90,000K/sec-120,000K/sec already set 100mb/s min 600 mb/s max on the settings of raid resync speed hardware: Hp proliant mL110 G7 xeon E3-1220 6g ram built in onboard controller of ml110 set as ahci 4x identical wd rednas 6tb already tried shr same result currently trying raid5 none shr DSM6.2 on juns 1.03b --------------------------------------------- 1.what can i check why it slows down after 1% 2. all drives are almost new and no files 3. already tried versions 5.2 and 6.02 and 6.1 and 6.1.7 Quote Link to comment Share on other sites More sharing options...
0 djvas335 Posted April 19, 2020 Share #2 Posted April 19, 2020 One of the drives is probably bad Quote Link to comment Share on other sites More sharing options...
0 ace21 Posted April 19, 2020 Author Share #3 Posted April 19, 2020 would it be possible to be bad even smart info`s statuses are ok, btw drives power on hours are very low 189-265 no records of error or ultra crc are found on all drives Quote Link to comment Share on other sites More sharing options...
0 IG-88 Posted April 19, 2020 Share #4 Posted April 19, 2020 32 minutes ago, ace21 said: would it be possible to be bad even smart info`s statuses are ok, btw drives power on hours are very low 189-265 no records of error or ultra crc are found on all drives what drives exactly? maybe your new spare drive is one with shigled recording? https://blocksandfiles.com/2020/04/14/wd-red-nas-drives-shingled-magnetic-recording/ Quote Link to comment Share on other sites More sharing options...
0 ace21 Posted April 19, 2020 Author Share #5 Posted April 19, 2020 13 minutes ago, IG-88 said: what drives exactly? maybe your new spare drive is one with shigled recording? https://blocksandfiles.com/2020/04/14/wd-red-nas-drives-shingled-magnetic-recording/ i am encountering on WD60efax sata6gbs NXha500 Nasware 3.0 this drives are recommended on qnap but my project did not push thru since 4x6tb will only appear 12tb or less due to old qnap hardware limitation btw i tried just now a mock up trial 4x WD20EFRX as shr1 it could it 60-100 without problem Quote Link to comment Share on other sites More sharing options...
0 IG-88 Posted April 19, 2020 Share #6 Posted April 19, 2020 (edited) 9 minutes ago, ace21 said: WD60efax looks like THAT is the problem, its a SMR drive and slow is normal, blame WD for selling garbage as NAS drive Edited April 19, 2020 by IG-88 1 Quote Link to comment Share on other sites More sharing options...
0 ace21 Posted April 19, 2020 Author Share #7 Posted April 19, 2020 Just now, IG-88 said: looks like THAT is the problem, its a SMR drive and slow it normal, blame WD for selling garbage as NAS drive thats a very sad news im reading the link you provided, would there be a list here of drives that are not smr? Quote Link to comment Share on other sites More sharing options...
0 IG-88 Posted April 19, 2020 Share #8 Posted April 19, 2020 (edited) the database on this site seems to be better then some of the manufacturer, this would be 6TB non-SMR https://geizhals.eu/?cat=hde7s&sort=p&xf=1080_SATA+6Gb%2Fs~11512_1.1~13745_6000~13811_6000~3772_3.5~8457_non-SMR Edited April 19, 2020 by IG-88 1 Quote Link to comment Share on other sites More sharing options...
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ace21
here is the result after the 2% passed
Personalities : [linear] [raid0] [raid1] [raid10] [raid6] [raid5] [raid4] [raidF1]
md2 : active raid5 sdd3[3] sdc3[2] sdb3[1] sda3[0]
17567101632 blocks super 1.2 level 5, 64k chunk, algorithm 2 [4/4] [UUUU]
[>....................] resync = 3.6% (211587552/5855700544) finish=3857.8min speed=24383K/sec
md1 : active raid1 sda2[0] sdb2[1] sdc2[2] sdd2[3]
2097088 blocks [12/4] [UUUU________]
md0 : active raid1 sda1[0] sdb1[1] sdc1[2] sdd1[3]
2490176 blocks [12/4] [UUUU________]
unused devices: <none>
during 0-1% was speed=90,000K/sec-120,000K/sec
already set 100mb/s min 600 mb/s max on the settings of raid resync speed
hardware:
Hp proliant mL110 G7
xeon E3-1220
6g ram
built in onboard controller of ml110 set as ahci
4x identical wd rednas 6tb
already tried shr same result
currently trying raid5 none shr
DSM6.2 on juns 1.03b
---------------------------------------------
1.what can i check why it slows down after 1%
2. all drives are almost new and no files
3. already tried versions 5.2 and 6.02 and 6.1 and 6.1.7
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