From nobody Thu Mar 14 19:36:41 2024 X-Original-To: freebsd-hardware@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4Twd175NRhz5Dfwc for ; Thu, 14 Mar 2024 19:36:43 +0000 (UTC) (envelope-from mike@sentex.net) Received: from smarthost1.sentex.ca (smarthost1.sentex.ca [IPv6:2607:f3e0:0:1::12]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "smarthost1.sentex.ca", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4Twd173Ycgz4Wwn for ; Thu, 14 Mar 2024 19:36:43 +0000 (UTC) (envelope-from mike@sentex.net) Authentication-Results: mx1.freebsd.org; none Received: from pyroxene2a.sentex.ca (pyroxene19.sentex.ca [199.212.134.19]) by smarthost1.sentex.ca (8.17.1/8.16.1) with ESMTPS id 42EJagCL008344 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=FAIL); Thu, 14 Mar 2024 15:36:42 -0400 (EDT) (envelope-from mike@sentex.net) Received: from [IPV6:2607:f3e0:0:4:a1d0:ee73:adac:870f] ([IPv6:2607:f3e0:0:4:a1d0:ee73:adac:870f]) by pyroxene2a.sentex.ca (8.17.1/8.15.2) with ESMTPS id 42EJafBM044086 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NO); Thu, 14 Mar 2024 15:36:41 -0400 (EDT) (envelope-from mike@sentex.net) Content-Type: multipart/alternative; boundary="------------eT9mUKr5WO7CZYKUB0UtN0Ff" Message-ID: <6504bd49-eca5-4e0a-b2bd-23d29405bb7a@sentex.net> Date: Thu, 14 Mar 2024 15:36:41 -0400 List-Id: General discussion of FreeBSD hardware List-Archive: https://lists.freebsd.org/archives/freebsd-hardware List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-hardware@freebsd.org MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: WD Blue 510 SSD and strange write performance Content-Language: en-US To: Bob Bishop Cc: "freebsd-hardware@freebsd.org" References: From: mike tancsa Autocrypt: addr=mike@sentex.net; keydata= xsBNBFywzOMBCACoNFpwi5MeyEREiCeHtbm6pZJI/HnO+wXdCAWtZkS49weOoVyUj5BEXRZP xflV2ib2hflX4nXqhenaNiia4iaZ9ft3I1ebd7GEbGnsWCvAnob5MvDZyStDAuRxPJK1ya/s +6rOvr+eQiXYNVvfBhrCfrtR/esSkitBGxhUkBjOti8QwzD71JVF5YaOjBAs7jZUKyLGj0kW yDg4jUndudWU7G2yc9GwpHJ9aRSUN8e/mWdIogK0v+QBHfv/dsI6zVB7YuxCC9Fx8WPwfhDH VZC4kdYCQWKXrm7yb4TiVdBh5kgvlO9q3js1yYdfR1x8mjK2bH2RSv4bV3zkNmsDCIxjABEB AAHNHW1pa2UgdGFuY3NhIDxtaWtlQHNlbnRleC5uZXQ+wsCOBBMBCAA4FiEEmuvCXT0aY6hs 4SbWeVOEFl5WrMgFAl+pQfkCGwMFCwkIBwIGFQoJCAsCBBYCAwECHgECF4AACgkQeVOEFl5W rMiN6ggAk3H5vk8QnbvGbb4sinxZt/wDetgk0AOR9NRmtTnPaW+sIJEfGBOz47Xih+f7uWJS j+uvc9Ewn2Z7n8z3ZHJlLAByLVLtcNXGoRIGJ27tevfOaNqgJHBPbFOcXCBBFTx4MYMM4iAZ cDT5vsBTSaM36JZFtHZBKkuFEItbA/N8ZQSHKdTYMIA7A3OCLGbJBqloQ8SlW4MkTzKX4u7R yefAYQ0h20x9IqC5Ju8IsYRFacVZconT16KS81IBceO42vXTN0VexbVF2rZIx3v/NT75r6Vw 0FlXVB1lXOHKydRA2NeleS4NEG2vWqy/9Boj0itMfNDlOhkrA/0DcCurMpnpbM7ATQRcsMzk AQgA1Dpo/xWS66MaOJLwA28sKNMwkEk1Yjs+okOXDOu1F+0qvgE8sVmrOOPvvWr4axtKRSG1 t2QUiZ/ZkW/x/+t0nrM39EANV1VncuQZ1ceIiwTJFqGZQ8kb0+BNkwuNVFHRgXm1qzAJweEt RdsCMohB+H7BL5LGCVG5JaU0lqFU9pFP40HxEbyzxjsZgSE8LwkI6wcu0BLv6K6cLm0EiHPO l5G8kgRi38PS7/6s3R8QDsEtbGsYy6O82k3zSLIjuDBwA9GRaeigGppTxzAHVjf5o9KKu4O7 gC2KKVHPegbXS+GK7DU0fjzX57H5bZ6komE5eY4p3oWT/CwVPSGfPs8jOwARAQABwsB2BBgB CAAgFiEEmuvCXT0aY6hs4SbWeVOEFl5WrMgFAl+pQfkCGwwACgkQeVOEFl5WrMiVqwf9GwU8 c6cylknZX8QwlsVudTC8xr/L17JA84wf03k3d4wxP7bqy5AYy7jboZMbgWXngAE/HPQU95NM aukysSnknzoIpC96XZJ0okLBXVS6Y0ylZQ+HrbIhMpuQPoDweoF5F9wKrsHRoDaUK1VR706X rwm4HUzh7Jk+auuMYfuCh0FVlFBEuiJWMLhg/5WCmcRfiuB6F59ZcUQrwLEZeNhF2XJV4KwB Tlg7HCWO/sy1foE5noaMyACjAtAQE9p5kGYaj+DuRhPdWUTsHNuqrhikzIZd2rrcMid+ktb0 NvtvswzMO059z1YGMtGSqQ4srCArju+XHIdTFdiIYbd7+jeehg== In-Reply-To: X-Scanned-By: MIMEDefang 2.86 on 64.7.153.18 X-Spamd-Bar: ---- X-Rspamd-Pre-Result: action=no action; module=replies; Message is reply to one we originated X-Spamd-Result: default: False [-4.00 / 15.00]; REPLY(-4.00)[]; ASN(0.00)[asn:11647, ipnet:2607:f3e0::/32, country:CA] X-Rspamd-Queue-Id: 4Twd173Ycgz4Wwn This is a multi-part message in MIME format. --------------eT9mUKr5WO7CZYKUB0UtN0Ff Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 3/14/2024 2:56 PM, Bob Bishop wrote: > Probably (I don’t know for sure) these drives have a RAM write cache > and really suck at committing from there to NVM. ZFS doesnt seem to like it, or, possibly something else in addition going on.   I will start to get errors like this (da4:mrsas0:0:23:0): READ(10). CDB: 28 00 3c 39 f2 60 00 00 08 00 (da4:mrsas0:0:23:0): CAM status: SCSI Status Error (da4:mrsas0:0:23:0): SCSI status: OK (da5:mrsas0:0:24:0): READ(10). CDB: 28 00 28 0b b5 38 00 00 f0 00 (da5:mrsas0:0:24:0): CAM status: SCSI Status Error (da5:mrsas0:0:24:0): SCSI status: OK when I have a heavy stream of zfs send | zfs recv going on.  Not sure if its possible to work around this or its some other bad interaction, or just a plain old bug in the firmware of these SSDs     ---Mike --------------eT9mUKr5WO7CZYKUB0UtN0Ff Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit


On 3/14/2024 2:56 PM, Bob Bishop wrote:
Probably (I don’t know for sure) these drives have a RAM write cache and really suck at committing from there to NVM.


ZFS doesnt seem to like it, or, possibly something else in addition going on.   I will start to get errors like this

(da4:mrsas0:0:23:0): READ(10). CDB: 28 00 3c 39 f2 60 00 00 08 00
(da4:mrsas0:0:23:0): CAM status: SCSI Status Error
(da4:mrsas0:0:23:0): SCSI status: OK
(da5:mrsas0:0:24:0): READ(10). CDB: 28 00 28 0b b5 38 00 00 f0 00
(da5:mrsas0:0:24:0): CAM status: SCSI Status Error
(da5:mrsas0:0:24:0): SCSI status: OK

when I have a heavy stream of zfs send | zfs recv going on.  Not sure if its possible to work around this or its some other bad interaction, or just a plain old bug in the firmware of these SSDs

    ---Mike

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