From owner-freebsd-fs@freebsd.org Fri Jun 9 23:51:15 2017 Return-Path: Delivered-To: freebsd-fs@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 62809BFF663 for ; Fri, 9 Jun 2017 23:51:15 +0000 (UTC) (envelope-from delphij@gmail.com) Received: from mail-it0-x231.google.com (mail-it0-x231.google.com [IPv6:2607:f8b0:4001:c0b::231]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 2A17E80510 for ; Fri, 9 Jun 2017 23:51:15 +0000 (UTC) (envelope-from delphij@gmail.com) Received: by mail-it0-x231.google.com with SMTP id m47so2785809iti.1 for ; Fri, 09 Jun 2017 16:51:15 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=6MaecrtZK6bomDHR56DgcGH0F3ZTy+HbWiESnd8vxNo=; b=fWrXwGUASwmorjwY+munSL50qANCBoRQHULR0K6M1m7upRygUBXBlSN/IRrxU9NYeR aKe4C39DT0RZk/nGyqvN0QiQgyIr2fL2ICN90CqIBpoUT9hddl2+5kok1jcnTO0r7KXo KzYpiq+2rpHGiUD81lyHSCcukrahfdS/qNlAKAIs1b/4SfNSq6P+eKQR7tf73V0GzbJz 5Bg7cu6jjFeLq0FuoFjGrBNOaL53gLzF2UbF3o86B2D+x7jypbVf3mYYBHQDvD/2VERM 08U9OYT6skqKAI6TbxStUUCCbHx7PnZDsf+Z60ID8SjNoOiiA3acxp6/usWBn8J14OXa xhDw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to:cc; bh=6MaecrtZK6bomDHR56DgcGH0F3ZTy+HbWiESnd8vxNo=; b=NzB/sC8M+bzNINZSqy7uN1/RfqYtU4rvTEXLNzklfNI6EZZpqUYHT91cy7p0DVwWjL zZEx0rE7ASpsNBZQuI9BAKOVC0OmcP4n3SRawo1nCz18BEYmMzFWQTYXYVBPs1xOdaAz JKjvOZmUbvwL29IolEcZp/hNsLX8yba8wTCKez8Y9vihrEY3GaOJv3ZHphUXpc/uyl1Q gXVhDD/Zg3FGXfkrPBNswDYJQrLTuEVec/dFSXRTccvsEmX58QpBXIGRLQv8RwjKefwE 2EzDmle3z0b0t031Qqc/i+EamxEEM3DxVhHvKlAgjnS33qkO3Ae4ZbPeCLso+ZWBUF3m 2NbQ== X-Gm-Message-State: AODbwcCtElKdvDwv49pNfXAORQahh2xz5xa+XeJRSJaEu7r0ldNP7wm2 9swfTmp9OVcOOLX9Pu1O7ItaEbUT+Q== X-Received: by 10.36.118.11 with SMTP id z11mr2153669itb.88.1497052274311; Fri, 09 Jun 2017 16:51:14 -0700 (PDT) MIME-Version: 1.0 Received: by 10.79.4.134 with HTTP; Fri, 9 Jun 2017 16:51:13 -0700 (PDT) In-Reply-To: References: From: Xin LI Date: Fri, 9 Jun 2017 16:51:13 -0700 Message-ID: Subject: Re: ZFS Commands In "D" State To: Tim Gustafson Cc: freebsd-fs Content-Type: text/plain; charset="UTF-8" X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 09 Jun 2017 23:51:15 -0000 Yes, you can observe the progress with: dtrace -qn 'zfs-dbgmsg{printf("%s\n", stringof(arg0))}' . I'm not 100% sure if that would be helpful for diagnosing your issue, though. What's the FreeBSD release? Maybe you have a lot of memory fragments? ( bugs.freebsd.org/194513 may be related?) On Fri, Jun 9, 2017 at 8:46 AM, Tim Gustafson wrote: > I wanted to follow up with some new status on this. > > So, the zpool scrub is going still, but it's going *very* slowly: > > pool: backup > state: ONLINE > scan: scrub in progress since Thu Jun 8 15:15:59 2017 > 644G scanned out of 103T at 10.5M/s, (scan is slow, no estimated time) > 0 repaired, 0.61% done > > I started another zfs send/receive before I left yesterday, and it did > complete successfully. I'm re-running last night's transfer again (it > failed because the one I started before I left yesterday was still > going), and it seems to be going at a reasonable rate of speed. So, > I'm really not sure what is happening here. I'm still concerned that > the zpool scrub is going so slowly. Usually we can scrub that amount > of data in 3-4 days; at this rate, it will probably take a month or > two. > > Since there isn't a userland process for the scrub, is there another > way I can procstat that process to see what it's doing? > > -- > > Tim Gustafson > BSOE Computing Director > tjg@ucsc.edu > 831-459-5354 > Baskin Engineering, Room 313A > > To request BSOE IT support, please visit https://support.soe.ucsc.edu/ > or send e-mail to help@soe.ucsc.edu. > _______________________________________________ > freebsd-fs@freebsd.org mailing list > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org"