Date: Fri, 12 Nov 1999 16:30:22 -0500 (EST) From: root <root@blane.interland.net> To: courtney@whtz.com Cc: freebsd-questions@FreeBSD.ORG Subject: RE: sync question Message-ID: <Pine.LNX.4.10.9911121629300.6203-100000@blane.interland.net> In-Reply-To: <85256827.006AD982.00@mail.whtz.com>
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Thankyou for all your responses. I have got the exact answer I was hoping for. Thankyou again. Andrew Hall > > > I wouldn't worry about the drives either, provided the systems are packed > well...I have seen units that are on m obile productions trucks that travel > all across the country EVERY week- via truck! All drives in the system > NEVER had a problem- this includes little crappy IDE drives in a desktop > PC. So worry more about the logistics of things, and your systems should > travel "happy" > > Bernie Courtney > Z100 New York Radio Engineering > mailto:bernie@z100.com > > > > > David.Costa@tellabs.com on 11/12/99 01:39:30 PM > > > > To: freebsd-questions@FreeBSD.ORG, > root@blane.interland.net > > cc: (bcc: Bernard Courtney/z100) > > > > Subject: RE: sync question > > > > > > > > > > Well, I doubt if sync parks the drive heads, as this happens > automatically in all modern hard drives. > > In all modern drives based on voice coil technology, the heads are > parked by virtue of removing power. This covers both IDE and SCSI > drives. I haven't seen a drive based on stepper motor technology in ten > years. These drives required a program to move the heads to a "parked" > position. > > If the system is packed adequately, I wouldn't be concerned about > shipping damage to the hard drive. > > Dave Costa > > -----Original Message----- > From: root@blane.interland.net [mailto:root@blane.interland.net] > Sent: Friday, November 12, 1999 12:38 PM > To: freebsd-questions@FreeBSD.ORG > Subject: FW: sync question > > > Hello, > > First post here. I have a need to move 15 freebsd server over 1000 > miles > in a very short period of time. Ie: 8 hours. We are going to charter > a > plane to accomplish this. I do not want to pull the harddrives out of > the > server if at all possible. So my question is this: Does sync(2) called > by shutdown(8) or halt(8) park the heads of the drive? I need to know > if > I should take the drives out or will they be safe enough in the server > if > the server packed good will survive the trip. My thinking is if the > heads > are parked then no harm no foul. Thanks in advance. > > > Andrew Hall > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-questions" in the body of the message > > > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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