From owner-freebsd-questions Fri Nov 12 11:36: 3 1999 Delivered-To: freebsd-questions@freebsd.org Received: from mail.whtz.com (m8.z100.com [209.73.193.8]) by hub.freebsd.org (Postfix) with SMTP id B2E1A14CCD for ; Fri, 12 Nov 1999 11:35:59 -0800 (PST) (envelope-from courtney@whtz.com) Received: by mail.whtz.com(Lotus SMTP MTA v4.6.2 (693.3 8-11-1998)) id 85256827.006ADAD2 ; Fri, 12 Nov 1999 14:27:08 -0500 X-Lotus-FromDomain: Z100 From: courtney@whtz.com To: freebsd-questions@freebsd.org Message-ID: <85256827.006AD982.00@mail.whtz.com> Date: Fri, 12 Nov 1999 14:27:02 -0500 Subject: RE: sync question Mime-Version: 1.0 Content-type: multipart/mixed; Boundary="0__=i6tyazDJY1md3gYSWNnHCP8g3znjgYFrJbe5AwMplarBhUsuKiiCnizW" Content-Disposition: inline Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG --0__=i6tyazDJY1md3gYSWNnHCP8g3znjgYFrJbe5AwMplarBhUsuKiiCnizW Content-type: text/plain; charset=us-ascii Content-Disposition: inline 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 --0__=i6tyazDJY1md3gYSWNnHCP8g3znjgYFrJbe5AwMplarBhUsuKiiCnizW Content-type: application/rtf; name="BDY.RTF" Content-Disposition: attachment; filename="BDY.RTF" Content-transfer-encoding: base64 Content-Description: Rich Text Format e1xydGYxXGFuc2lcYW5zaWNwZzEyNTJcZnJvbXRleHQgXGRlZmYwe1xmb250dGJsDQp7XGYwXGZz d2lzcyBBcmlhbDt9DQp7XGYxXGZtb2Rlcm4gQ291cmllciBOZXc7fQ0Ke1xmMlxmbmlsXGZjaGFy c2V0MiBTeW1ib2w7fQ0Ke1xmM1xmbW9kZXJuXGZjaGFyc2V0MCBDb3VyaWVyIE5ldzt9fQ0Ke1xj b2xvcnRibFxyZWQwXGdyZWVuMFxibHVlMDtccmVkMFxncmVlbjBcYmx1ZTI1NTt9DQpcdWMxXHBh cmRccGxhaW5cZGVmdGFiMzYwIFxmMFxmczIwXGNmMCBXZWxsLCBJIGRvdWJ0IGlmIHN5bmMgcGFy a3MgdGhlIGRyaXZlIGhlYWRzLCBhcyB0aGlzIGhhcHBlbnMgYXV0b21hdGljYWxseSBpbiBhbGwg bW9kZXJuIGhhcmQgZHJpdmVzLlxwYXINClxwYXINCkluIGFsbCBtb2Rlcm4gZHJpdmVzIGJhc2Vk IG9uIHZvaWNlIGNvaWwgdGVjaG5vbG9neSwgdGhlIGhlYWRzIGFyZSBwYXJrZWQgYnkgdmlydHVl IG9mIHJlbW92aW5nIHBvd2VyLiBUaGlzIGNvdmVycyBib3RoIElERSBhbmQgU0NTSSBkcml2ZXMu IEkgaGF2ZW4ndCBzZWVuIGEgZHJpdmUgYmFzZWQgb24gc3RlcHBlciBtb3RvciB0ZWNobm9sb2d5 IGluIHRlbiB5ZWFycy4gVGhlc2UgZHJpdmVzIHJlcXVpcmVkIGEgcHJvZ3JhbSB0byBtb3ZlIHRo ZSBoZWFkcyB0byBhICJwYXJrZWQiIHBvc2l0aW9uLlxwYXINClxwYXINCklmIHRoZSBzeXN0ZW0g aXMgcGFja2VkIGFkZXF1YXRlbHksIEkgd291bGRuJ3QgYmUgY29uY2VybmVkIGFib3V0IHNoaXBw aW5nIGRhbWFnZSB0byB0aGUgaGFyZCBkcml2ZS5ccGFyDQpccGFyDQpEYXZlIENvc3RhXHBhcg0K XHBhcg0KLS0tLS1PcmlnaW5hbCBNZXNzYWdlLS0tLS1ccGFyDQpGcm9tOiByb290QGJsYW5lLmlu dGVybGFuZC5uZXQgW21haWx0bzpyb290QGJsYW5lLmludGVybGFuZC5uZXRdXHBhcg0KU2VudDog RnJpZGF5LCBOb3ZlbWJlciAxMiwgMTk5OSAxMjozOCBQTVxwYXINClRvOiBmcmVlYnNkLXF1ZXN0 aW9uc0BGcmVlQlNELk9SR1xwYXINClN1YmplY3Q6IEZXOiBzeW5jIHF1ZXN0aW9uXHBhcg0KXHBh cg0KXHBhcg0KSGVsbG8sXHBhcg0KXHBhcg0KRmlyc3QgcG9zdCBoZXJlLiAgSSBoYXZlIGEgbmVl ZCB0byBtb3ZlIDE1IGZyZWVic2Qgc2VydmVyIG92ZXIgMTAwMCBtaWxlc1xwYXINCmluIGEgdmVy eSBzaG9ydCBwZXJpb2Qgb2YgdGltZS4gIEllOiAgOCBob3Vycy4gIFdlIGFyZSBnb2luZyB0byBj aGFydGVyIGFccGFyDQpwbGFuZSB0byBhY2NvbXBsaXNoIHRoaXMuICBJIGRvIG5vdCB3YW50IHRv IHB1bGwgdGhlIGhhcmRkcml2ZXMgb3V0IG9mIHRoZVxwYXINCnNlcnZlciBpZiBhdCBhbGwgcG9z c2libGUuICBTbyBteSBxdWVzdGlvbiBpcyB0aGlzOiAgRG9lcyBzeW5jKDIpIGNhbGxlZFxwYXIN CmJ5IHNodXRkb3duKDgpIG9yIGhhbHQoOCkgcGFyayB0aGUgaGVhZHMgb2YgdGhlIGRyaXZlPyAg SSBuZWVkIHRvIGtub3cgaWZccGFyDQpJIHNob3VsZCB0YWtlIHRoZSBkcml2ZXMgb3V0IG9yIHdp bGwgdGhleSBiZSBzYWZlIGVub3VnaCBpbiB0aGUgc2VydmVyIGlmXHBhcg0KdGhlIHNlcnZlciBw YWNrZWQgZ29vZCB3aWxsIHN1cnZpdmUgdGhlIHRyaXAuICBNeSB0aGlua2luZyBpcyBpZiB0aGUg aGVhZHNccGFyDQphcmUgcGFya2VkIHRoZW4gbm8gaGFybSBubyBmb3VsLiAgVGhhbmtzIGluIGFk dmFuY2UuXHBhcg0KXHBhcg0KXHBhcg0KQW5kcmV3IEhhbGxccGFyDQpccGFyDQpccGFyDQpccGFy DQpUbyBVbnN1YnNjcmliZTogc2VuZCBtYWlsIHRvIG1ham9yZG9tb0BGcmVlQlNELm9yZ1xwYXIN CndpdGggInVuc3Vic2NyaWJlIGZyZWVic2QtcXVlc3Rpb25zIiBpbiB0aGUgYm9keSBvZiB0aGUg bWVzc2FnZVxwYXINCn0= --0__=i6tyazDJY1md3gYSWNnHCP8g3znjgYFrJbe5AwMplarBhUsuKiiCnizW-- To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message