wtb: HP-Fujitsu  maw-3073nc, SCSI-SCA-80pin - Page 1
Forum section: electronics / general

author: DiTBho
author_rank: Super Contributor
timestamp: May 07, 2022, 02:32:40 pm
content: I need qty=2..7, HP-Fujtsu maw 3073nc SCSI hard-drives, 72GByteDon't confuse with maw-3073np.maw-3073nc is 80pinmaw-3073np is 68pinI need with SCA interface, hence the maw-3073nc.Let me know if you have, brand-new, or "opened, never used"

author: DiTBho
author_rank: Super Contributor
timestamp: May 08, 2022, 05:09:42 pm
content: Do you know any serious seller?on eBay ... there are still a few sellers with SCSI-SCA disks and price in the range of 52-72 UKP, but it's always the same annoying story ...the seller declares "NEW or OPEN BOX drives", which implieszero Power_On_Hoursyou order and payyou find SMART tests reporting Power_On_Hours = { 20K, 30K, ..., 60k, ... } hoursso not NEW or OPEN BOX drives, but rather OLD USED disks cleaned of dustIs there anyone serious I can trust?

author: DiTBho
author_rank: Super Contributor
timestamp: May 08, 2022, 05:13:16 pm
content: Fujitsu MAW-3147NC is an 80pin SCA-SCSI 147GB 10KRPM U320 disk with 8MB cacheit would be a valid alternative to the MAW-3073nc. Just bigger, with 147GB rather than 73GB.Let me know

author: jorgeh
author_rank: Regular Contributor
timestamp: May 08, 2022, 05:51:09 pm
content: Hii dont have HP, but i do have a couple ST3146707LC new, as in they are installed in a new BX600 S1 spare server. I should test them to see if they werent used. FSC part number S26361-H846-V100in which palces people still use this ancient drives?Regards J.

author: DiTBho
author_rank: Super Contributor
timestamp: May 08, 2022, 08:09:39 pm
content: Quote from: jorgeh on May 08, 2022, 05:51:09 pmWhere you need to use UNIX workstations and servers and you cannot install any sATA, FC, adapters

author: jorgeh
author_rank: Regular Contributor
timestamp: May 09, 2022, 01:26:42 pm
content: yeah my cousin used to work at a nuclear power plant and due to regulations they had to buy stuff like this all the time.if you can use them let me know and i will try to find a working server to read the SMART values. ifnot tnx for the tip i checked ebay sold items and people still buy them. i mean at different price for "new"

author: DiTBho
author_rank: Super Contributor
timestamp: May 09, 2022, 07:36:10 pm
content: Umm, it seems thatkironElectronics has something in stock, not exactly for cheap, and they are located in India

author: CJay
author_rank: Super Contributor
timestamp: May 10, 2022, 06:16:56 am
content: The new requirement is gonna be hard to meet, but have you actually asked HP and explained your circumstances/requirements, it's been a while but they have helped me with similar requests?Also, do they specifically have to be the Fujitsu drive?I ask because that era of HP servers had a range of disks available as spares which were all cross compatible* and it may make your search easier if you can expand it to include the alternatives289042-001404709-001306637-002All part numbers for broadly similar spec drives which are plug and play compatible on a HP array controller and I'm sure there are others.This document *might* be helpfulhttps://www.dectrader.com/docs/set02/85258/emr_na-c00305257-1_2.htmlIt's also useful to know that HP drives and components often have three part numbers, the 'sales' number, sometimes an 'option' part number and always a 'spares' number (usually ends -001 or -002 unless it's region specific, like a keyboard)And if you're using DAS as well as being unable to install FC adapters then I'm gonna guess possibly banking, nuclear (Alpha servers) or perhaps something a little more black helicopter...*obvs capacity needed to match or exceed that of the original, spindle speed not quite so important but still better to meet or exceed

author: DiTBho
author_rank: Super Contributor
timestamp: May 10, 2022, 07:42:14 am
content: Quote from: CJay on May 10, 2022, 06:16:56 amFujitsu-Maw-3xxx**are good disks, not the best, but at least I know how they behave, and they are decent enough.I mean, "product hit the spot" in a world of products that go from bad to excellent

author: CJay
author_rank: Super Contributor
timestamp: May 10, 2022, 05:04:19 pm
content: Quote from: DiTBho on May 10, 2022, 07:42:14 amIt's been a long time since I replaced any SCA drives but my memory of those days doesn't flag up any outstandingly bad (or good for that matter) manufacturer of the HP certified server/workstation disks, they were all qualified for enterprise server work and HP were pretty stringent in their testing so if they're 'genuine HP' spares then I'd have been happy to fit any of them.However, as we're talking about 15-20 year old disks, %deity% alone knows how well any have stood the test of time.I'm sure you'd already be aware that HP often had tweaked firmware but you may not be aware that there was a nasty little gotcha with the cowboys who supplied 'refurbished'* 36 and 72GB Fujitsu drives.Not all Fujitsus are equal, there were some SCSI, LVD and SCA drives which were *slightly* smaller capacity (like a few tens of MB, maybe less) and that would make them unusable if you had an array built of the slightly larger capacity disks.The issue reared its head for me when some smartarse discovered a stash of drives with unknown provenance and stuck them in HP, Dell and Lenovo caddies, I never did track down what they were intended for but knew the firmware revisions to look for and reject from suppliers* 'Refurbished', run over with a duster, data wiped and occasionally run through diagnostics.

author: DiTBho
author_rank: Super Contributor
timestamp: May 10, 2022, 07:12:48 pm
content: Quote from: CJay on May 10, 2022, 05:04:19 pmYup, manufactured in 2007Quote from: CJay on May 10, 2022, 05:04:19 pmI am aware of this. When I test disks, I see if each disk has 8960920 blocks of 512byte each.I have seen a lot of weird things.73GB disks with 8960800 blocks << 896092073GB disks from AS400 with ~700byte per block instead of 512 byteQuote from: CJay on May 10, 2022, 05:04:19 pmThis appears from POH. You can wipe the Hard disk drive platters (e.g. with dd if=/dev/zero of=/dev/$device on Linux), but you cannot easily wipe the EEProm's content.Anyway, if I pay with Paypal, I can I reserve up to 7 working days for testing, with the possibility to accept/reject disks from suppliers.qty=8 disks, means 300-500 euro at least

author: DiTBho
author_rank: Super Contributor
timestamp: May 13, 2022, 08:07:54 am
content: I see there are around a many Maw 300GB OEM disks, I haven't yet understood what "OEM" means, but 300GB look cheaper than 73GB.There must be a reason for this.There are still obscure hardware details that prevent the kernel from taking full advantage of the bandwidth on the pci-x, hence I don't like 300GB for the project I have in mind because they are too big compared to the limited bandwidth I can achieve from the particular hardware I am supporting with LinuxI prefer smaller disks - a bit like when you try on shoes and find the right size for your foot - 20GB is too small, 40GB ... is OK, but you can do better, 300GB is too big, while 73GB looks the perfect compromise

author: CJay
author_rank: Super Contributor
timestamp: May 13, 2022, 05:47:17 pm
content: Quote from: DiTBho on May 13, 2022, 08:07:54 amManufactured to be incorporated into or used in equipment by other manufacturers and 300GB will be cheaper than 73GB because it's newer and proportionally fewer of them have failed so they're more common.Wouldn't worry about 'wasted' space, just buy the newer, cheaper more reliable disks (more reliable because they're newer and have fewer hours use or less degradation from being sat on a shelf).

author: edavid
author_rank: Super Contributor
timestamp: May 13, 2022, 06:00:44 pm
content: Quote from: DiTBho on May 13, 2022, 08:07:54 amOEM means they never had an end user warranty. They were sold in bulk to a computer or storage vendor. Sometimes they have non-standard firmware or labels.

author: DiTBho
author_rank: Super Contributor
timestamp: May 14, 2022, 12:48:33 pm
content: What about Seagate Cheetah 10K.7 (ST3300007LC), 300GB Ultra320 SCA disks ?The Cheetah 10K.7 is the last generation of Seagate 10K SCSI disks that still had a SCA or UW connector, and 300GB the largest capacity offered. They have FD bearings so they're durable and don't turn into jet engines when they get old. They make nice disks for workstations.There is an HP version but that doesn't matter. They also exist with DELL or IBM label.What do you think?

author: edavid
author_rank: Super Contributor
timestamp: May 14, 2022, 02:35:50 pm
content: Quote from: DiTBho on May 14, 2022, 12:48:33 pmMaybe that's what they claim, but I had some ST373207LC drives (73GB version), and they became extremely loud after as little as 5000 hours of use. I had to scrap them.Does the 300GB version have better bearings?

author: DiTBho
author_rank: Super Contributor
timestamp: May 26, 2022, 12:02:38 am
content: Inthistopic I described how to check disks.In the end,Code:Disk , Serial Number , Version , LifeTime , note#1 , DAA0P76047MH , "0104" , 53439 hours#2 , DAA0P7704G9V , "0104" , 58667 hours , Badblocks blocks after 40 min#3 , DAF4P7400M8S , "3701" , 52228 hours , 2K blocks are Defective#4 , DN00P820195T , "0104" , 39292 hours#5 , DAA0P64013V3 , "0104" , 37093 hours#6 , na , na , na , the disk is dead, doesn't respond#7 , DAA0P6300NEG , "0104" , 57251 hours#8 , DAA0P6801RCS , "0104" , 31692 hoursThe salesmanApress24promised brand new disks but then only sent dead disks.